Use a 29 to 31 gauge insulin syringe with a half-inch needle
"Great for Fat Loss when Combined with Other Supplements" u/PeakPerformance (Reddit) Rating: (5/5) "Ive combined AOD 9604 with Tirzepatide, and Im seeing significant fat loss
You can also consult your doctor to establish an appropriate dose if its determined that you dont get enough B12 from food sources
10.1089/acm.2006.12.881 Summary Keywords vitamin B12, efficacy, bioavailability, therapeutic approaches, meta-analysis, cobalamin Citation Mazur M, Ndokaj A, Salerno C, Vallone J, Ardan R, Bietolini S, Carrouel F, Wilk A, Sarig R, Ottolenghi L and Bourgeois D (2025) Efficacy of sublingual and oral vitamin B12 versus intramuscular administration: insights from a systematic review and meta-analysis
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