Cera-Q® (Silk Fibroin Peptides)

Cera-Q is a peptide ingredient derived from silk fibroin, the protein of silkworm cocoons, studied for supporting memory. Also known as BF-7, the silk fibroin enzymatic hydrolysate has been examined in a small placebo-controlled human study that reported dose-dependent memory improvement, though independent evidence is…

Cera-Q is researched primarily for Cognitive. In a small placebo-controlled, double-blind human study, a silk fibroin enzymatic hydrolysate produced dose-dependent improvements in memory test scores in healthy adults, the basis for the ingredient's memory positioning.

The clinically studied dose is About 400 to 600 mg of fibroin hydrolysate per day, in divided doses. Always follow the product label and check with a healthcare provider for personal advice.

For most healthy adults, Cera-Q is well tolerated at studied doses. Reported effects can include: Generally well-tolerated — no adverse effects were reported in the human study. Silk-allergic individuals should avoid this ingredient. It may also interact with some medications. Cera-Q is not right for everyone, so check with a healthcare provider first if you are pregnant or breastfeeding, have a medical condition, or take prescription medication.

Possible interactions include: Silk-allergic individuals should avoid this ingredient. No major drug interactions are established. If you take prescription medication, check with a pharmacist or doctor before using it.

NutraSmarts rates the evidence for Cera-Q as Limited (2 out of 5). It is backed by 1 clinical trial and 2 cited references summarized on this page. A higher rating reflects more, larger, and better-designed human studies.