Vitamin B-12 is found naturally in certain foods such as meat, fish, eggs, milk, and some fortified cereals
The chronic pain problem: where the evidence and the biology diverge The most common leap I see is the leap from maybe helpful for an acute tendon injury to maybe helpful for arthritis, chronic knee pain, or long-standing degenerative issues. This is where I think the case is weak
Key nutrients support glutathione recycling and function
It may be reduced by other, more powerful agents (Sutton and Winterbourn, 1984)
This can lead to build-up of toxins in the liver and other organs, damage to cells requiring more cellular repair, and the inability of energy production
biophysics 488 (1), 313315