However, its use is primarily for research purposes, and further studies are needed to fully understand its long-term effects and applications before it is approved by drug administration agencies or the FDA
Malabsorption from coeliac disease, Crohns, gastric surgery or long-term metformin and proton-pump inhibitors accounts for much of the rest
Normally, your body stores vitamin B12 that it gets from what you eat
It differs from the unmodified 176-191 sequence by a single oxygen atom 1,815.1 versus 1,799.1 g/mol a difference that cannot be resolved by HPLC purity analysis alone
If a rash, hives, swelling, or trouble breathing shows up, stop use immediately and seek medical care
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