Paradigm Peptides is permanently closed. Owner Matthew Kawa of Illinois pleaded guilty to federal charges on December 10, 2025, and was sentenced on July 30, 2026 to 70 months in prison with approximately $5 million in forfeiture and $78,317.52 in restitution owed jointly with his co-defendant, per the U.S. Department of Justice. The Paradigm Peptides website is dead as of August 24, 2026, and no relaunch has appeared.
Paradigm Peptides ended in a federal criminal case, not a quiet shutdown notice. According to the Department of Justice, owner Matthew Kawa and his sister, Jennifer Stechkober of Indiana, pleaded guilty in federal court on December 10, 2025; Kawa was sentenced on July 30, 2026 to 70 months in prison, and Stechkober received 16 months.
The DOJ's account of the case describes the sale of unapproved drugs with intent to defraud, illegal importation of product from China and India, and forged laboratory certificates. Per court records, some products sold as SARMs actually contained testosterone. Prosecutors placed the customer base at roughly 54,000 people across all 50 states and 80 countries.
Matthew Kawa was sentenced on July 30, 2026 to 70 months in federal prison, approximately $5 million in forfeiture, and $78,317.52 in restitution owed jointly with his co-defendant; Jennifer Stechkober was sentenced to 16 months, per the DOJ sentencing release and CBS News coverage of the hearing.
At sentencing, the judge described the operation as leaving "an incredible trail of harm." That characterization is the court's, quoted from the proceeding.
No. As of August 24, 2026 the Paradigm Peptides domain returns an error rather than a storefront, a closure notice, or any customer guidance, and no relaunch has appeared.
The DOJ record describes court-ordered restitution, not a vendor refund process, and the site went dark without posting refund or pending-order guidance. Facts only, no legal advice:
The vendor landscape shifted hard between mid-2025 and mid-2026; multiple major storefronts closed within a year. The alternatives below are stores in the AntiGravity brand network (which operates Amino Axiom), with published certificates of analysis and live price data tracked on this site.
Matthew Kawa and Jennifer Stechkober plead guilty in federal court to charges including selling unapproved drugs with intent to defraud, per the DOJ.
Source: DOJ: United States v. Matthew Kawa (N.D. Indiana)Kawa sentenced to 70 months in prison with approximately $5 million in forfeiture and $78,317.52 in restitution owed jointly with his co-defendant; Stechkober sentenced to 16 months.
Source: DOJ, U.S. Attorney’s Office, N.D. Indiana (sentencing press release)The stores below are part of the AntiGravity brand network, which operates Amino Axiom. That relationship is why they are listed here, and why the claims stay observable: each one is open, publishes certificates of analysis, and has its catalog and pricing tracked live on this site. All compounds are sold for research purposes only.
Widest peptide selection with third-party COA verification on every batch. The standard others are measured against.
Wellness-forward research peptides with a longevity-leaning catalog and third-party COA verification on every batch.
Research compounds with a minimalist catalog and independent batch verification.
Disclosure: Outbound links to vendor sites are referral/affiliate links. Amino Axiom may earn a commission on purchases made through them.