Research verification

All products are sold strictly for in-vitro laboratory and research use. They are not for human or veterinary consumption.

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Maintaining the highest purity standards with the most competitive prices  ·  For research use only
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Returns & Refunds

Every order is protected against damage in transit.

Damage protection policy

If your product arrives damaged in transit, we’ll send a one-time replacement at no cost to you. All damage claims must include photo evidence and are subject to review. One replacement per customer per order.

How returns work

  • Document the damage — take clear photos of the product and packaging as soon as it arrives
  • Contact our support team with your order number and photos
  • Once we verify the damage, we’ll ship a one-time replacement at no cost

Eligible for return

  • Products damaged during shipping (with photo evidence)
  • Defective products that don’t meet our purity standards
  • Incorrect items received

Not eligible for return

  • Reconstituted products
  • Damage claims without photo evidence
  • Products improperly stored after delivery
  • Products without proof of purchase

Important notes

All products are sold strictly for research purposes; Signal Supply is not responsible for misuse, improper storage, or reconstitution. Replacements are offered as a courtesy for verified transit damage only. Excessive or suspicious claims may result in account review. By placing an order, you agree to this policy.

FDA disclaimer. Statements regarding these products have not been evaluated by the U.S. Food and Drug Administration. Products are not intended to diagnose, treat, cure, or prevent any disease and are sold for research use only.