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When deficiency is suspected based on clinical features (fatigue, paraesthesia, cognitive changes) or risk factors (vegan diet, gastric surgery, certain medications), serum B12 measurement guides appropriate intervention
Each opened multi-dose vial requires clear labeling with use dates
It gently helps your skin's natural processes work better
The FDA cited the lack of human studies on the peptide and concerns about safety as its rationale
The amino acid sequence of Tat is YGRKKRRQRRR ( P
Vitamin B12 can be stored in small amounts by the body, predominantly in the liver
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