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Frequently Asked Questions

How pure are your peptides

Our peptides are synthesized to a minimum purity of 99.2% and independently verified in U.S. labs using HPLC and mass spectrometry. Certificates of Analysis are available for every product.

Shipping is via USPS and is approximately 2-3 days in the US with a priority option at extra cost that has a duration of approximately 36hrs. Orders placed before 4 PM EST ship the same business day.

YES! We provide international shipping to Europe, Asia, Australia, South Americas and some parts of Africa.

You’re protected in three ways: a money-back quality guarantee, 30-day hassle-free returns, and coverage for shipping damage. If your material doesn’t match its independent U.S. lab COA, we’ll replace it or refund you in full within 30 days. Unopened, unused items in their original sealed condition may be returned within 30 days of delivery for a refund. If an item arrives damaged, email contact@glow-peptides.com within 48 hours with photos to receive a free replacement. Orders may also be cancelled for a full refund any time before processing begins. Full details are available on our Guarantee, Refunds & Returns page.

Yes, we do. Please reach out via the contact form and our team will provide a custom quote within 24 hours.

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