5-amino-1mq clinicaltrials.gov – High Purity 5 Amino 1MQ – Advanced 5 Amino 1MQ Capsules for Research Use – 3rd Party Tested – Made in Europe – 60 Capsules – 50mg : Industrial & Scientific 5-Amino-1MQ Peptide - 10mg
Description
Those with severe deficiency might need up to 1000 mcg daily

Prescription medication

Mullane says, I love this product because its a naturally food-grown nutrient that is easy to digest and absorb, with no fillers, binders or preservatives. Each bottle contains 30 capsules containing nutrient-enhanced yeast and beetroot powder for a natural dose of vitamin B12

It works by blocking an enzyme called NNMT, which slows down metabolism and fat burn