Glucagon-like peptide-1 receptor agonist, liraglutide, reduces heroin self-administration and drug-induced reinstatement of heroin-seeking behaviour in rats
Pros As well as helping with weight loss, it can be used as a treatment for various conditions It can be administered at home by yourself You only need to take them once a week or visit the clinic once a week Cons Some people cant take B12 injections due to an allergy of cobalt or because they have Lehers disease
Copper Tripeptide-1 (GHK-Cu) helps promote firmer, healthier-looking skin

Common reasons Not getting any UV exposureMT-2 produces melanin but you need some UV to 'activate' it and see the tan Degraded peptide from improper storagecheck if solution is clear and properly refrigerated Dose too lowsome people need the full 500mcg to see results Unrealistic expectationsMT-2 won't make you darker than your genetic potential allows Not enough timefull results take 2-4 weeks of consistent loading Poor quality peptide from unreliable sourcealways verify with third-party testing (COA) Key Research [1]"Evaluation of melanotan-II, a superpotent cyclic melanotropic peptide, in a pilot phase-I clinical study" Dorr RT, Lines R, Levine N, Brooks C, Xiang L, Hruby VJ, Hadley ME, 1996 Finding: Pilot phase-I human study: subcutaneous melanotan-II induced measurable skin tanning in healthy male volunteers after only 5 low doses (every other day), with pigmentation increasing in the face, upper body and buttocks
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