Check for Authenticity

Please enter 10 digit “Authentication Codes” found on the security stickers.


Warning: If show that product is fake. DO NOT use product under any circumstance if show up as it can make you sick or get infection. No amount of money is worth your health. Contact your seller to demand a full refund.

Where to Find Your Codes

Both security stickers can be found on the packaging, scratch off security label to find code

How to identify counterfeit product

  1. 1. If authentication codes are checked more than once then the product is fake.
  2. 2. Authenticity codes improved with security non transfer VOID technology to avoid scammers.
  3. 3. The cap on vials must have embedded Gainz logo on them.
  4. 4. https://gainzlab.com/ is the only legit site.