Lab Results

Don't take our word for it. Read the lab reports.

Every Fivegram tub contains one ingredient: creatine monohydrate. Here are the full certificates of analysis for our creatine, tested for purity, heavy metals and microbiological safety. Nothing hidden, nothing summarized away.

Latest batch: lot R604400 (May 2026)

• Purity (HPLC assay) — full report (PDF)
• Heavy metals: lead, arsenic, cadmium, mercury (ICP-MS) — full report (PDF)
• Microbiology: E. coli, Salmonella, S. aureus, yeast and mold — full report (PDF)

Independent heavy metals testing

• Heavy metals tested by an ISO/IEC 17025 accredited lab — full report (PDF)

Manufacturing quality

• cGMP certification of the manufacturing facility by UL Solutions, valid through November 2028 (PDF)

Previous batches

• Lot B25I013 (September 2025): purity, heavy metals, microbiology (PDF)
• Lot 20231130HT: purity, creatinine, dicyandiamide, dihydrotriazine, heavy metals, microbiology (PDF)

How to read a certificate of analysis

Assay is the purity of the creatine. ND means "not detected": the lab found none above its detection limit. NMT means "not more than", the maximum allowed. ppm and ppb are parts per million and per billion.

Questions about a report or your batch? Write to us, a real person replies within 1 business day.