5-Amino-1MQ is a small-molecule research compound not a peptide
Liver, clams, oysters, nutritional yeast, salmon, tuna, and fish meat are all very high in vitamin B12
Liquid preparations cannot maintain adequate stability for research-grade use
If bloodwork shows normal B12 levels, injections are unlikely to add meaningful benefit and arent a substitute for addressing diet, sleep, or activity directly with a broader weight management plan
Disorders of cobalamin (vitamin B12) metabolism: emerging concepts in pathophysiology, diagnosis and treatment
So, we recommend using SL vitamin B12 rather than oral and IM, especially in patients who do not tolerate IM injection and patients who need prolonged vitamin B12 supplementation, such as patients with long-term metformin use and patients with pernicious anemia or with gastro-duodenal resection [51,52,53,54]