Symptoms of Vitamin B 12 Deficiency
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- čas přidán 4. 08. 2012
- My Favorite Vitamin B12 Supplement: bit.ly/2MPaN14
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Symptoms of Vitamin B 12 Deficiency are variable. Most people develop fatigue, brain fog, and shortness of breath.
Vitamin B-12 deficiency is linked to several health issues. Anemia, depression, nerve damage, memory issues, and much more. The two most common symptoms linked to B-12 deficiency are depression and fatigue.
Serum vitamin B-12 levels is not a good indicator for vitamin B12 deficiency. Functional medicine doctors typically evaluate vitamin B-12 using more advanced lab testing.
Causes of vitamin B12 deficiency include poor diet, GI dysfunction, gluten sensitivity, and many different types of medications to include, those given for heartburn, diabetes, and infection.
The only foods with vitamin B12 are found in animals. Fruits, vegetables, nuts, and seeds contain no B12.
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*These statements have not been evaluated by the Food and Drug Administration. This video is not intended to diagnose, treat, cure or prevent any disease. Additionally, this information is not intended to replace the advice of your physician. Dr. Osborne is not a medical doctor. He does not treat disease. He offers nutritional support to people seeking an alternative from traditional medicine. Dr. Peter Osborne is licensed with the Pastoral Medical Association.
Every Pyschiatrist should watch this video. My brother was treated with 4 psych meds when all he needed was b12 shots. He suffered from pernicious anemia. I am so upset about what the doctors did to my brother. I will write about it some day.
i totally agree...😪 it is my passion also but being so sick i have to get consistency with my own first.. the merry-go-round is tediously infuriating
He needs folic acid to heal at cell level with the b12 injection check his vitamin d also needs multi b and magnesium to help his absorption issues
Ideally, yes, but Sorrrrry... 99% of them wouldn't care+/ or $$$$$$$ is KING so .... I w go w Dr. O n TRY it!, l'm so sad about the state of MEDICAL CARE in America
I am the medical director of a clinic in DC and we do all kinds of IV nutrition therapy and hormone balancing. The result of most disease is poor diet and food allergies that wear out the body and create serious imbalances. I love videos like this from Osbourn and others as this is what I do and learn a lot from others in the same field.
I am homozygous for A(1298)C MTHFR and platelets are on the low side of normal. I take Pepcid twice daily. Wow, I learned a lot here.
I have intrinsic factor antibodies (pernicious anemia). My deficiency was missed by doctors twice and was told I just needed antidepressants. I asked for a full blood testing including vitamins etc and it came back I was severely deficient. I sent my results from 10 years earlier to my aunt, who is a nurse, and she told me to ask for intrinsic factor antibodies test as my results from 10 years were low to her (even though technically it was in the normal range, it was two away from deficient). It came back positive for antibodies and I'm on injections for life thankfully.
Take folic acid with injections to heal at cell level and cofactors multi b and magnesium
@@yvonnekavanagh2617 I do :)
I love the fact that you mention serum levels and the different tests that test intercellular levels. Most people don't consider this or even know the difference. Thanks
I am in tears!! You have no idea how much this makes sense!! Thank you very very much!!
Your vid is 7 years old and still helpful. Thank you!
Now 11 years old and still extremely helpful. All medical students should watch this video.
I agree, but nothing will ever replace meat, and that will NEVER change.
When first diagnosed w/ B12 deficiency, I was located in lower Appalachia. What was interesting at that time, and still is, was the doctor told me a marked number of women developed this deficiency, in Appalachia. I'd only been here a year. Thank you for your research/commentary and looking forward to your updates.
You have to get it from diet ,
Thank you Dr. Osborne, that was one of the most compact and informative videos I've seen in years. What's needed is a book, or maybe a downloadable pdf, which contains this information and the same level of detail for all the other vitamins and mineral that humans need. I've spent the last two years trying to piece this altogether in order to correct some personal health problems. If this information was available as a single download, I could have had my self on the right track in a matter of weeks, not years!! Carry on the great work.
This is so important and a lot more people need to be educated about this ! I was diagnosed with coeliacs and completely underestimated it at my peril !
I'm currently being tested for coeliac. I have had numbness and tingling in my armsvand legs for last couple of years. Did you have this issue?
Truth.. I am b12 deficient and now supplementing and I can already tell the difference when I walk.
Thank you so much for all your details. Your Videos are some of my favorites for specifics on Supplements.
Thank you Dr. Osborne, that was really interesting, I knew about Methylmelonic and Homocystine test... this brings back memory in the class room... really appreciated this.
This has made everything SO MUCH CLEARER! Thank you! Wish you had been my lecturer back when I was doing biomed! Thank you!
Thank you for your videos! Very informative and easy to follow. I am very glad that I’ve found your channel on CZcams.
Great Job! I love when people take out there time to teach others!!! Thanks.
I had helobacter pylori and was given beta blockers.
My optic nerve started flashing. I had my own fireworks display (circular annulus)
Then my hand went numb, and I couldn't control my temper.
My doctor nailed it. VitB12.
8 years later, still got a problem.
Mostly with doctors.
They are sooo stubborn.
Every one I go to wants me to have lab tests, even with my history before them.
I like how easily you explain things. You make complex processes, and the effects of outside variables such as medications and medical conditions, easier to comprehend. Thank you:)
thank you Docter your gift of knoledge is so very apreciated!
Very simply put and a great way of getting the information across to the general public. Well done and thanks so much.
This is an excellent presentation. Thank you!!!!
Wow. So glad I've watched this...battled breast cancer in 2017. Really feeling depressed :( fortunately my b12 injections will be there in 2 days. Glad I was led this route over a week ago.
Take ALL your essential 90
Very informative, interesting & helpful. Non boring, non clinical. Thank you Dr. Osbourne.
Awesome well explained! Cheerssss
Very interesting I have been experiencing what I thought was vertigo I heard if vertigo last for more than 20 minutes it’s not vertigo. After two ER visits and one ENT visit and two cat scans a RN told me I may have Ménière’s disease. After watching many CZcams videos I felt I had an autoimmune issue attacking my inner ear/balance causing severe nausea for days; all as a result of B12 deficiency. I’ve been taking B12 and Flavinoid so far so good!
Awesome!! so glad you are getting value from my channel!! Make sure you are subscribed...and make sure you pay it forward by sharing with others! #Save100MillionLives
Great videos from this guy, i now think i know why i feel so unwell.
Amazing explanation.. Very much appreciated.
Great Job! You are good, hard to speak for a long time with all the stock knowledge.
I had pernicious anemia (vit B12) but healing my gut (#lowcarb and Intermittent fasting) I am not longer low on vit b12 :) thank you
Can you recover from pernicious anemia? Did you do injections b12 or just supplementing?
@@jesusiscomingbeready8169 I never heard anyone saying ''I had PERNICOUS ANEMIA... It is a life long condition...
Thank you Doctor. I wish that I had known of this years ago. It is so rare for a medical doctor to promote AND explain the usage of the vitamins and particularly the B group. Very interesting. Nice video.
***** It's not a conspiracy. It's just that most doctors are idiots. Most people in most professions are idiots. I work in engineering, and you wouldn't believe some of the shit I've heard engineers say.
Thank you Dr Osborn for a very helpful educational video. This information has helped me greatly.
Excellent lecture!! Thank you!
This explains my hibernation mode in 3 days! Thanks Dr. Osborne, you gave me a very clear illustration! I was able to connect the dots.
very helpful video, even for vegans. It's good to know these details no matter what ur diet is. thku.
Thanks a lot Doc. I will be helping out a friend who needs this!
Your a great person to take the time to make this video and try to help people. thank you
Thank you for this explanation. I'm low in all the Bs and hypothyroid. This is very helpful.
Thanks doc, for taking the time to create awareness about B12 in such a lucid manner.
Thank you so much for making this video. It's VERY well explained.
Thankyou keep doing ya videos
I actually forgot I have pernicious anemia and been feeling strange past few months. This is a really great explanation so thank you doctor! Time for a shot.
Eat liver.😊
Wow, my right big toe went numb and nobody could or would tell me why, gave me ant-inflammatory meds like gabapentin or Ibuprophen, I didn't take them and it got worse (nobody stressed to me that those could have saved or reversed the numbness if caught in time)... now every once in a while I feel sharp pains running down my toe and I can imagine (a picture of a branch of inflamed nerves throbbing) into my toe. Nobody told me it could be a vitamin deficiency! .... I am not diabetic, I am healthy as a horse other than being a bit over weight.. I thought it might be pressure on the nerves in my back due to lower disc bulging but I took a multivitamin for active women and the pain in my toe reduced in a day.... I think I have some investigating to do! Thanks so much for the video!
youre good informative teacher...I am diabetic and sensitive to gluten and hyper acidity feeling leaky gut
Extremely useful video. Thank you!
i have depression and anxiety and electric shock pains through my body...thanks very much
severe B-12 deficiency mostly comes from auto-immune Biermer desease and among elderly people when the stomach produces less intrinsic factor necessary for the absorption of the B-12
Excellent explanation. Thanks.
great doc, you have explained nicely and i thank you n may God bless you.
I'm a vegetarian and found b-12 supplements in my local health store (Holland and Barrett). They work fine and have improved my health massively. :)
Even with supplements 34% of Vegetarians will be B12 deficient.
@phoenix Ghe This is a fact. of the over 100 vegetarians they tested the vegans had a 52% deficiency even with vitamin usage. 26% with vegetarians. This was in Germany, you can imagine how much worse the american vegans are health-wise.
"Results: Of the 3 groups, the vegans had the lowest vitamin B-12 status. In subjects who did not consume vitamins, low holotranscobalamin II (< 35 pmol/L) was found in 11% of the omnivores, 77% of the LV-LOV group, and 92% of the vegans. "
"Irrespective of vitamin usage, low vitamin B-12 concentrations (< 156 pmol/L) were found in 1% of the omnivores compared with 26% of the LV-LOV subjects and 52% of the vegans."
academic.oup.com/ajcn/article/78/1/131/4689908
@goku son Exactly, a vegan diet is not possible without a significant risk of b12 deficiency, which can impair brain function, and long-term health.
@goku son So youn have to take high doses, I think he mentioned 15 mg (15,000 mcg), if I find 5000 mcg (5 mg) I take about 4 or 5. And I'm on carnivore diet at the moment to reduce fatty liver. I have absorption issues due to fistula and colostomy and duodenal ulcer and prilosec. So, you have to flood your system with B12 for a decent amount to get in.
@@Gamerad360Vegan Diet is best, I'd rather be a little B12 deficient than a fat ass like the rest of the US population
I really appreciate your video. I have been suffering from the main symptoms you have described and was suspicious that I may be lacking from B12 deficiency in some way. I am vegetarian and I understand why you suggested meat. For most people, that is all they understand and is the quickest and easiest solution. I am not saying it is the RIGHT one for an individual, and especially for the animal. Those who do more research come to understand that it is the bacteria that actually provide the vitamin that it comes from not only the animals but from the ground, soil. water et cetera as another viewer pointed out. But what is the likelihood that someone will start eating raw unwashed veggies? Or drink unprocessed water? For the average person, near zero.
I don't like the harsh words toward this man. He is speaking to the masses and this is some great information to get started with. He does suggest the right types of supplements, that can be used INSTEAD of meat, which is what I prefer. But I do have a question if anyone has bothered to read this far: what is the shelf life and how do you best protect methylcobolamin when stored? Also, what is the best dosage? Does it need to be taken with any other vitamins, minerals or food to promote Bioavailability? Alkalizing foods or anything? Some insight into these areas would really make a great follow up to this video.
Thank you !
For your information 🙏👍
This is such important information. Thanks.
Thanks Doc! That was quick and painless. I am sure that I have 3 of those problems. Chicken and fish are the foods I eat, but don't eat red meat. I hope that not a problem. I will try the B-12 today. My pancreas keep telling me like Clint Eastwood, Go head, make my day, so sugar and bread are off my diet, so I am willing to try anything to get off the Nexium.
Freakin incredible.. Very easy to understand.. Your one of the very few who I can understand thank you
Thanks. Very informative.
Thank you very much for the educative video.
Changing my diet, cutting out coffee and alcohol and introducing a quality probiotic cured my heartburn.
A probiotic supplement?
thanks for the information...This points out that B12 is not an isolated issue and your clarification to your viewers reminds them that there are 1,000's on interactions and inter-relationships in our bodies..
Thank you Dr osborne, your University is appreciated
thank you kindly sir. the knowledge you shared about anti acid medication and it potentially affecting b 12 absorption is crucial.
You can definitely have sufficient Vitamin B12 in your blood, but be deficient in your cells. As he says in his video, your blood doesn't use it, your cells do. Elevated homocysteine levels are a good sign you are deficient. He mentions a couple of other tests too. Google MTHFR and Vitamin B12 too.
I notice my energy levels are low when missing my dose of B-12..
Great video! Is dicopac test a conclusive test for B12 malabsorption/ pernicious anemia? Thanks!
Thank you very much for the presentation.
I had gastric bypass surgery 7 years ago. I am now extremely depressed, lethargic and fatigued. I have trouble with short term memory and get confused quite easily. I went to the Va hospital to get treated for hep-c, I had several blood test done and just found out that I have extremely low levels of b12, my doctor sais it was probably caused by the weight loss surgery. I can't wait to start feeling better; have not started the shots yet, Thanks Doc for the info.
Good afternoon. I was diagnosed with MS in May of 2012. After finally getting a second opinion, it "may" be something else. I have started b-12 injections in December 2013. To be honest until the day of my first b-12 injection, I felt was was fading away to a point of making plans for my funeral. The second neurologist seemed suspicious of my low b12 count so he asked I get injections. Pucker up butter cup!
Eric Bossé
Ontario, Canada
Linked In member
yes... i was on the MS suspect too maannny years ago... but no evidence of it... then with my own research over time i figured it out... [full disclosure it was numerous other also - basically everything iron , vit D , magnesium etc.. but b12 was THE most specific link to MS related symptoms]
very clear, thank hou very much,
Excellent presentation!
Do all people with deficiency show symptoms? I've been vegan for 25 years but show no negative symptoms. I have too much energy and am very positive. By reading the latest medical research I have learned that the balance of our intestinal flora plays huge role in the absorption of B12 and that can cause depression. So it's not just the food you ingest but the environment in your body that allows it to digest and absorb optimally
B12 deficiency has more to do with your digestive health and for most of the deficiencies, it is the digestive health which is the primary culprit which most people ignore and particularly will doctors never tell you as it affects multi million dollar industry called hospitals and pharmaceutical companies.
+Akshta Singh You're a half-witted creature.
You are correct. You could be eating all the b12 foods and b12 supplements in the world, but if you have a weak digestion, you are not absorbing much.
@@britishenglishcoach1005 You must be perfect. How nice for you.
@@britishenglishcoach1005 that would be you
Dr Osborne, love your videos. I am a personal trainer and forward your videos to my clients. I have a question about sources for vitamin B12, red meats, pork and certain cold water fishes, and sardines are the most concentrated sources. But I also understand that blue/green algae is also a good source if taken in the appropriate quantity. What are your thoughts?
I am curious what it means when the B12 is extremely high on a b12 blood test. My 15 yr old daughter's b12 was about 1700 on the last 2 tests we did, which were 6 months apart. She is taking a supplement with methycobalamin and 5-MTHF. A functional medicine practitioner we saw after the first test said that my daughter was methyl trapping, which is why I switched her b complex to contain both of the broken down forms of folate and b12. I thought excess B vitamins were excreted in the urine. I need to find out if she is actually deficient because her body cannot use the b12 she has or if she, indeed, is taking too much b12. When I had the first test done, I tested folate and homocysteine also. I know I should have done the MMA test, but our NP had no idea what that was, so he just ordered the other tests. Any ideas would be appreciated. My daughter has a chronic illness and she is pretty sick.
Your video about vitamin B-5 deficiency first popped up after I searched for videos on how to help clear my son's acne. I was surprised by how many other symptoms of B-5 I am also currently experiencing. I got a bottle of pantothenic acid last night and I'm putting my entire family on it starting today. After I liked that B-5 video and subscribed (since as others have stated, you come across as an incredibly knowledgeable and caring doctor) the next video of yours to pop up was this one about vitamin B-12. Again- I am shocked at how many symptoms I have of a deficiency, but it all makes sense!
I have low stomach acid, don't drink milk (it gives me congestion) and my total daily intake of food is 1200 -1500 calories a day so I guess I just don't get enough nutrition from the calories (a small person like me) eats. I do also eat kind of a lot of sugar. I'm one of those people who will have a fresh kale, spinach, pineapple juice, frozen strawberries and banana smoothie for breakfast, a baked sweet potato with steamed broccoli for dinner and the equivalent of a king sized chocolate bar in the middle of the day, along with about 4, 16 oz bottles of water throughout the day. I eat meat (usually chicken or fish) only once a week. So much for that being adequate!
I won't launch into all the details but the last 4 years have been *incredibly* stressful with two devastating deaths in the family, having sudden and permanent falling outs with a couple of long term very close friends, my car being first vandalized by co-workers then broken into by local thieves in my driveway and having $5,000 worth of camera equipment stolen, working 60+ hours a week in a high pressure sales job for almost 4 years, losing my job, a prolonged upper respiratory infection after losing my medical insurance, moving twice in one year after a horrible divorce, breaking my foot in a sport accident, and well, you get the idea! It's no wonder I never wanted to get out of bed and barely have the energy to function in a given day. It never occurred to me that a vitamin/ mineral deficiency could hinder my coping with all that stress. I start on B-12 today as well.
I took upwards of 5 vitamins a day during my pregnancies including folic acid, omega fatty acids, Iron, B complex and a multi vitamin, but I pretty much stopped taking any vitamins after my last child stopped nursing. My mistake! Thank you so much for your wonderful videos and keep up the good work!!!😎👍❤️
(One tiny request: I noticed when you said Doctor in this video you always said "he" or "ask him". It's a small thing, but it would make you look like a more open minded and considerate person to alternate with "she" and "ask her", referring to the excellent women physicians out there as well. Thanks!!) By the way, throughout this week I will be sharing your incredibly helpful videos on both my personal and professional social media pages!! 🤗
Very interesting information. Thank you.
Thank you Sir (Doctor), for an excellent and very informative video.
Dr Osborne, what is the recommended daily amount for B12 deficiency for a person with gluten sensitivity? When you say B12 comes from meat, are you referring to all meat or specific animal/fish? What is the recommended amount to eat a day? I'm not much of a beef eater as it usually just sits in my gut for days and clogs my intestines. Thank you.
If you have malabsorption issues you cannot digest b12 supplements and need b12 injections with folic acid and cofactors
Thank you for this comprehensive information Dr. Osborne. A family member has lost some of her sense of smell. Her B12 injections have been upped.
Niacin or Nicotinic Acid deficiency
Thanks! Great video!
Doctor you are very brilliant well done
B-12 IS very important for oure live and when loss B-12 its take more time to be normal
Protein intake in vegetarian diets is only slightly lower than in meat diets and can meet daily requirements for any person, including athletes and bodybuilders.[52] Studies at Harvard University as well as other studies conducted in the United States, United Kingdom, Canada, Australia, New Zealand and various European countries, confirmed vegetarian diets provide sufficient protein intake as long as a variety of plant sources are available and consumed.[53] Proteins are composed of amino acids, and a common concern with protein acquired from vegetable sources is an adequate intake of the essential amino acids, which cannot be synthesised by the human body. While dairy and egg products provide complete sources for ovo-lacto vegetarian, several vegetable sources have significant amounts of all eight types of essential amino acids, including lupin beans, soy,[54] hempseed, chia seed,[55] amaranth,[56] buckwheat,[57] pumpkin seeds[58] spirulina,[59] pistachios,[60] and quinoa.[61] However, the essential amino acids can also be obtained by eating a variety of complementary plant sources that, in combination, provide all eight essential amino acids (e.g. brown rice and beans, or hummus and whole wheat pita, though protein combining in the same meal is not necessary). A 1994 study found a varied intake of such sources can be adequate.[62]. Look in Wikipedia and you will actually see links to the studies done. So, what he's saying is not factual.
tell that to my NO SICKNESS in FIVE FULL YEARS! I work around kids, daily, and they get the flu, coughs, colds, etc., yet, I haven't been ill one day in five years. So much for being robbed. NO SICKNESS...think about that. I bet all the meat eaters have had the flu in the past two years. Why is that? Because they keep listening to the hype concerning meat and protein. You're being BS'ed, just so that you know. There is a lady that is in her 70's. She looks like she's in her 20's, and she doesn't eat meat. Another one is in her 60's yet looks like she's in her 20s. She stopped eating meat 40 yrs ago. She's still alive, but she hasn't aged. Why is that? Vegetarians have increasingly shown that they age better than their meat eating counterparts, they feel ten times better, and they don't get sick as often. So much for the hype!
I don't think so, Matt. I have always eaten lots of veggies and fruits, but I also ate meat. It wasn't until I stopped eating the meat that I became healthier, and I stopped getting sick with flu and other viruses. I also don't take pro-biotics, nor a variety of supplements. I take three supplements, as vegetarians are often low on these particular ones. So, that can't be it, either. I always drank water from the tap, so again, that's not what's causing it, even though, recently, I began using distilled water. I tested the city's water and found that it had a ph level of 8.0, which is way too high. So, decided it's best to limit the minerals and chlorine in my system. However, the health benefits occurred long before that change.
Great video !!!
Cool Brother...Thanks I'm gonna share this
Wow! I have never heard of blood cells other than red blood cells being considered anemia or related to B12. Thanks for sharing this!
Yeap. Folate and B12 deficiency can cause anemia. Unfortunately, we are only educated about iron deficiency.
can someone tell me where, in which country or pharmacy i can buy injectable methylcobalamin?
I forgot, you can get some from the feedstore, a liquid called Rooster Booster, it's B12 for chickens. It works for us too. Yes I have taken my livestock supplements at times, if it's a good product, it's still good even if it's for animals.
look at the Amazon...
And I just got the best of them at HSN ,good luck !
this man is very helpful
Thank you for this ❤️❤️❤️
We must be aware of foods that our body intake everyday in our lives!
left ear is lit
Thank you Dr Osborn that was very helpful to me.
Very good presentation.
I haven't had meat/eggs since 1972. No dairy since 1990. Recently had B12 test and my doctor is happy with result. It is all genetic. One size does not fit all. I have been taking b12 cyanocobalamin since about 95.
Good for you. I lost my hair when I tried that.
Dr. I'm a vegan & there's other sources of getting B12. For example, the moringa leaf is very rich in B12, and is higher than red meat. So I don't agree totally with your information, but will keep your information in mind to ensure that I'm meeting my B-12 requirements.
your wrong sorry
Great video Doc.
Excellent - Thank you!
We're all going to die of something whether we're vegan, vegetarian or otherwise. I chosse to be vegan because I feel so much better eating all fruits and vegetables that when I eat meats. Is it more healthy? I don't know nor do I care because it sure feels like it is. I've got more energy and I look better than I ever did on a meat diet. I really don't see why there is such a need for people to bash other people about what they choose to put into their own bodies.
I wish you the best in maintaining your bone density. Even though you are a dumbass.
Exactly. I've been vegetarian for 30 years and fit as a flea. meateaters are prone to arterial sclerosis and get fat as fuck (and smell) as they age.
Loved your response Erica! Im the same, I just fell 100% on a vegan diet. End of story.
nancee Lowcarb oops I mean feel, not fell.
Yes, each person is different. I'm looking at the Blood Type Diet and it makes sense. I'm an A (suggested vegetarian), but allows poultry and some fish.
I have a book on healthy nutrition and a list of various diseases written by a very distinguished doctor and nutritionist in my country (who is by the way "not" a vegan), and this doctor openly proposes that we can derive "all" necessary nutrients from plants (carbohydrates, proteins, fats, all vitamins and minerals), and although he lists meat, eggs and dairy as an example of foods that contain particular nutrient he mentions, he still dismisses these foods and proposes that proteins should exclusively by derived from plant based foods like grains etc. It also says in the book that besides meat, soy and mushrooms contain vitamin B12 as well.
This is not to say that we don't need to take vitamin B12 supplement when on plant based diet but stating that "only" meat contains the mentioned vitamin is a false information.
Animal cells don't produce b12. The only way an animal can get b12 is either from something they ate or from the healthy bacteria in their gut, which is also our main source of b12. Fruits and vegetables promote b12 producing bacteria in our gut, and certain foods like spirulina, chlorella, and yeast contain b12. Eating meat actually inhibits b12 absorption due to it promoting unhealthy gut bacteria and its high acidity, which is why over 40% of Americans have a b12 deficiency. There are a number of factors that can cause a lack of b12 absorption and if dietary changes don't work then b12 injections are the best way to go. It is completely false that meat contains any nutrient that can not be attained from a plant source.
Thank you for the information.
habadashery2009 You actually got that completely backwards, brewers yeast, fermeneted soy, seaweed, spirulina, etc are actually contain B12 analogs called cobamides that block intake of and increase the need for true B12. To learn more, Google this study "Pseudovitamin B(12) is the predominant cobamide of an algal health food, spirulina tablets."
they have yet to determine if b12 analogues actually block b12 absorption. Also virtually all modern animal products are devoid of b12, now b12 is either injected into animals, put into their feed, or animal products are enriched with b12. There are also many variables that effect b12 absorption and eating animal products won't guarantee b12 absorption. Currently over 40% of Americans have a b12 deficiency.
hadadashery your name is apropos since what you just wrote is a lot of nonsense. Making BS up to support your polemic doesn't equal actual knowledge or information.
very very good on point GB Dr.
Thank you Dr.Osborn ....you are the BEST !
Alcohols another reason for b12 or other b vitamin deficiencys