FDA has not evaluated whether this product complies
So, if you're feeling unwell due to a deficiency, restoring B12 levels might help you feel well enough to eat normally, but it's not "making" you gain weight in an unhealthy way
Research Peptides BioLongevity Labs is a premier USA-manufactured research peptide company
Uses and Important Safety Information for CoolTone Uses The CoolTone device is FDA-cleared in adults aged 22 years or older for: Strengthening, toning, and firming of the abdomen, buttocks, and thigh muscles Stimulating of healthy muscles to improve or help muscle performance
Oral supplements are available in various forms in the market, for example: tablets, capsules, and sublingual (under the tongue) formulations
"The adolescent and adult form of cobalamin C disease: clinical and molecular spectrum"