The following is a concise summary of the video transcript:
The video explains the importance of vitamin B12 for the body and brain, and the symptoms and causes of B12 deficiency. It also gives some advice on how to consume foods rich in B12 or supplement with B12 if needed. The video emphasizes that B12 levels can vary depending on genetics, diet, age, and health conditions, and that optimal levels of B12 can prevent many diseases and improve mood, memory, and energy.
Hi, this is Copilot. I can help you extract the key facts out of this text. Here are some facts I found:
1. B12 is essential for the nervous system, blood, energy production, DNA synthesis, myelin formation, memory and mood.
2. Low levels of B12 can cause symptoms such as tingling, burning or numbness in the extremities, tongue swelling or loss of taste buds, fatigue, mental slowness or fog, loss of balance, tinnitus, depression and anemia.
3. B12 can be found in animal sources such as liver, meat, fish, poultry, eggs and dairy products, or in plant sources such as nutritional yeast, algae, mushrooms and some fermented foods.
4. B12 absorption depends on the acidity of the stomach and the presence of intrinsic factor. Some factors that can impair B12 absorption are gastric surgery, celiac disease, low stomach acid, antacids and metformin.
5. B12 levels can be measured by a blood test that includes methylmalonic acid and homocysteine. There is a difference between normal and optimal levels of B12 for health and longevity.
6. B12 needs vary depending on genetics and diet. Some people may need more B12 than others or may benefit from supplements.