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B12 is a water-soluble vitamin, so excess amounts are typically excreted in urine rather than accumulating to toxic levels
Vitamin D : The Bone Health and Osteoporosis Foundation (BHOF) and Endocrine Society recommend maintaining serum 25-hydroxyvitamin D levels above 30 ng/mL, while the National Academy of Medicine considers levels 20 ng/mL sufficient
J Biol Chem 2003
There is a growing and concerning market for unlicensed weight loss injectables in the UK, and obtaining any unregulated injectable product outside of a legitimate clinical or prescribing setting carries serious safety risks, including the risk of counterfeit or substandard products
Huang Q, Liu Z, Yang Y, Yang Y, Huang T, Hong Y, et al
Analytical testing confirms 99.7 % purity , assay content verified at 102.5 mg and endotoxin levels below 0.001 EU/mg
