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Consult a healthcare provider before supplementing if you: Take blood thinners (vitamin D affects clotting) Use metformin, or proton pump inhibitors (both affect B12 absorption) Have kidney disease (impairs vitamin D metabolism) Have a history of kidney stones (excess vitamin D increases risk) Are being treated for any chronic condition Testing first ensures you get the right dose
According to the Journal of Biomaterials Science , controlled studies on aged skin have shown that the tripeptide may reduce the appearance of fine lines and wrinkles
Label and refrigerate at 28 C (35.646.4 F) , protected from light
UKAS guidance
Cyanocobalamin is quantitatively and rapidly absorbed from intramuscular and subcutaneous sites of injection
Effect of two different sublingual dosages of vitamin B12 on cobalamin nutritional status in vegans and vegetarians with a marginal deficiency: A randomized controlled trial
