Re-using a needle for both bac water draw and peptide vial entry can carry microbial load from the peptide vial back into the bac water bottle
TB-500 is commonly discussed as a synthetic fragment related to thymosin beta-4, a naturally occurring peptide involved in cell migration, actin regulation, and wound-healing biology
These ranges come from animal-data extrapolation and informal reports, not controlled human trials, and the two routes are not directly interchangeable
The products exist in a space where they are legal to sell as supplements but lack regulatory blessing for therapeutic use
We advise readers who purchase our B12 product to inject SQ, because IM shots can be painful and may discourage self-injection
Usually, doses are between 1,000 to 2,500 mcg per shot