The MHRA does permit the use of unlicensed medicines in specific, tightly controlled circumstances for example, under a 'Specials' licence (as set out in MHRA guidance on the supply of unlicensed medicinal products) or within an authorised clinical trial but this does not extend to prescribing experimental compounds for bodybuilding or aesthetic purposes
P., Moon, S., Kim, H., Yadav, P
[1] [3] Methylcobalamin is a naturally occurring form of vitamin B12 found in animal products such as meat, fish, eggs, and dairy
In the treatment of liver diseases, live bacteria encapsulated in enteric-coated capsules can effectively regulate the intestinal microecology [128]
Additionally, there are many more peptides that are used in cosmetics
Interestingly, zinc may also reduce 5-alpha reductase and through a similar manner