Because the compound is sold on the gray market without routine independent oversight, purity and composition can vary between suppliers
Methylcobalamin is the most bioactive type of vitamin B12 and injections can be made in higher doses
This means that it is not possible to overdose on vitamin B12, and as far as we know there is no upper limit on the amount of B12 that can be taken safely by an otherwise healthy person
As a defined small molecule (not a peptide), it has different handling considerations than the rest of the Durham Peptides catalog, but the research utility is in the same conceptual category as NAD+-pathway research compounds
These research substances are different ways to look at cellular metabolism, giving researchers ways to study weight management, muscle physiology and energy regulation
The usual daily recommended amounts of methylcobalamin, vitamin B12 either through dietary intake or supplementation should be taken during pregnancy