With each vial containing a total peptide of 10mg or 20mg (depending on the option you choose) and confirmed with a purity level of 99% after third party lab testing you know your research is safe
10.1007/s10555-025-10252-8 58 LeiL.YuanJ.YangQ.TuQ.YuH.ChuL.et al (2024)
Preprint at bioRxiv (2021)
Published trials reported headache, fatigue, dizziness, mild stomach symptoms, and mild injection-site reactions
The latter two are often elevated with B12 deficiency (MMA is especially predictive) while emerging evidence suggests that holotranscobalamin better reflects your B12 status than serum levels, says Miller, since it measures how much of the nutrient is actually being delivered to the tissues of your body
However, some individuals find this combination balances out to manageable hunger levels while still providing GH benefits