RESEARCH USE ONLY·Not for human or veterinary use

Shipping & Returns

Shipping

  • Same-day dispatch: Orders placed before 2:00 PM EST ship the same business day.
  • Domestic delivery: 1–3 business days via USPS Priority or UPS Ground. Tracking provided on every order.
  • Free shipping: On all US orders over $200.
  • Cold-chain packaging: Lyophilized peptides shipped in insulated packaging with temperature indicators.

30-Day Guarantee

Not satisfied with your order? Contact us within 30 days for a full refund or replacement. If your independent HPLC test shows purity more than 0.5% below our COA, we replace the product at no charge.

Packages lost or damaged in transit are reshipped at no cost. Contact support@helixhouselabs.com with your order number.

Returns

Unopened products in original packaging may be returned within 30 days. Opened or reconstituted products cannot be returned due to research integrity requirements. Refunds processed within 5–7 business days.