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Blog 1 min read June 6, 2026

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Loss of Libido After Short-Term Use

A user experienced a total loss of libido after using PT-141 or Melanotan II only four times. They described the effect as a ‘crash’ and were seeking advice on how to recover their natural drive.

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A quick heads-up

Everything on LivingLabs.Blog is for learning — not medical advice. Some peptides we cover are research compounds and aren't FDA-approved. Always talk to a qualified healthcare provider before starting anything. Everyone reacts differently. We don't sell peptides or recommend vendors.

We cite peer-reviewed research wherever we can.