The injections are affordable, have minimal side effects, and provide additional benefits beyond weight loss including increased energy, improved mood, and better liver function
Several factors likely contribute: the peptide's very short half-life, difficulty crossing the blood-brain barrier in meaningful quantities, small study sizes, differing endpoints (subjective reports versus objective polysomnography), and the placebo-sensitive nature of insomnia outcomes
However, some people can still become low in B12 because of diet, absorption problems, certain medical conditions, medicines, surgery or long-term health factors
Ha SB, Smith AP, Howden R, et al
It is not an MHRA-approved medicine and is sold strictly with "for research use only" labelling
A: Yes, its a versatile add-on