Biotin deficiency can cause dry skin, brittle nails and hair, as well as hair loss
Recalls & Warnings January 30, 2013 Seller of Omega-3 and Emu Oil Supplements Warned For Drug Claims, Misbranding On November 19, 2012, the FDA issued a warning letter to Emu Products & Management, Inc
Data from the 2021 Nature Aging paper are particularly illuminating on this point
The people who see the most from it are consistently the ones who pair it with the fundamentals
Not universally
3 In B12 deficiency, methylmalonic acid (MMA) can accumulate, and it is thought that elevated MMA, alongside elevated homocysteine, contributes to damage of the myelin sheath (which protects nerve cells and speeds up nerve transmission), which can cause irreversible neurological problems