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What are the side effects of peptides?

Last updated on Aug 03, 2026

What are the side effects of peptides?

Also asked: peptide side effects, reaction, headache, flushing, vivid dreams Answer: Most common: irritation at the injection site, headache, tiredness, nausea, bloating.

By product: NAD+ can cause flushing and cramping, especially if injected quickly. Sermorelin is associated with vivid dreams and joint stiffness. Glutathione rarely causes an allergic reaction or skin lightening.

Stop and get help for trouble breathing, swelling, or hives.

Attach: EMERGENCY-LINE