Contract Manufacturing

Quest provides contract-manufacturing services for strategically selected partners. We can contract manufacture existing products from our portfolio and also custom develop and manufacture new products, formulations and concepts for our partners. All the products are manufactured and quality tested in our GMP facilities.

We have the following contract-manufacturing capabilities:

  • Tablets and/or capsules nutraceutical products in bulk, bottles or blister packs.
  • Powder nutraceutical products in bulk or sachet packs.
  • Liquid nutraceutical products in bulk or bottle packs.

L-Glutamine 500mg

Free form amino acid

Provides 500mg of the amino acid L-glutamine. Amino acids are used by the body to form proteins, which are required for biological functions and cell structures. L-glutamine is the main structural component of the epithelial cells of the gastrointestinal tract and is needed to help heal and maintain gut lining integrity. It is also involved in the regulation of the urea cycle.


  • Free form amino acid


Take one to six capsules daily with food


L-Glutamine, Bulking agent: Microcrystalline Cellulose, Capsule Shell (hydroxypropylmethylcellulose, water), Magnesium Stearate.

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