TIAs, or mini-strokes, produce similar symptoms but resolve quickly
Unless the overuse is stopped, the tendon will slowly begin to grow weaker, which in turn makes future overuse more likely
It also blocks melanin formation, thus brightening overall complexion and minimizing the appearance of freckles and melasma (dark patches due to pregnancy, sun exposure, or reaction to skin products)
Along with there being no reports of it causing birth defects, cancers or any other type of toxicity, Vitamin B12 doesnt even have an established tolerable upper intake level (UL), which is the amount that would cause an overdose or major unwanted side effects
While both affect metabolism, their combined safety profile remains poorly studied in peer-reviewed literature, making this combination a concern for most qualified healthcare providers
doi: 10.1021/jf0623485 23 LiuY.LiL.SunS