Elevated concentrations of homocysteine are highly toxic to the human body
That is manageable for someone who has been doing subcutaneous injections for a while
In a randomized, double-blind, placebo-controlled trial in 2,919 participants (65 years) with elevated blood concentrations of homocysteine, supplementation with vitamin B 12 (500 g/day) and folic acid (400 g/day) for two years did not decrease the risk of osteoporotic fracture despite reductions in homocysteine (120, 121)
signs of a thyroid tumor - swelling or a lump in your neck, trouble swallowing, a hoarse voice, feeling short of breath
Lab-Tested Purity and Potency One of the most important qualities in any peptide supplement is third-party testing
Some foods, like breakfast cereals and plant-based milk, are made with extra B12