Vinco Supplements Vinco L-Theanine 400 mg 400mg – Capsules
L-Theanine- Testing & evidence
- 9/20
- Ingredient/formulation quality
- 21/25
- Value
- 17/20
- Dose transparency
- 15/15
- Manufacturer transparency
- 9/10
- Label/ingredient transparency
- 9/10
- Evidence status
- Testing claimed
- Manufacturer statement
- Manufacturer pages claim the product is "GMP Certified" / made in "GMP-certified facilities" and the Amazon listing claims "99{3683f0b818e4e7eac3a25ad8212965194ab09621a23bd0189e97e17dfedff11f}+ Purity," but I did not find an independently verifiable third-party COA, lab report, or certification registry entry for this specific product.
- Laboratory
- Not recorded
- Certification body
- Not recorded
- Batch
- Not recorded
- Batch-specific report
- Not established in this record
- Report date
- Not recorded
- Evidence checked
- 2026-09-27 11:09:28

