Frequently Asked Questions

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U.S.P. Grade refers to a quality standard established by the United States Pharmacopeia (USP), a nonprofit organization that sets globally recognized standards for medicines, food ingredients, and dietary supplements. When a product is labeled as “U.S.P. Grade,” it meets the strict criteria outlined in the USP standards for purity, potency, quality, and consistency.

Key Features of U.S.P. Grade:

1. Purity and Quality:

   • The product is free from harmful contaminants or impurities.
   • It is suitable for pharmaceutical or dietary supplement use.

2. Identity:

   • The substance has been verified as the specific compound it claims to be.

3. Potency:

   • The product delivers the stated amount of active ingredient.

4. Performance:

   • Meets specific standards for how the substance functions or behaves (e.g., solubility, stability).

5. Compliance:

   • Products must adhere to USP standards to be used in FDA-regulated industries in the U.S.

Applications of U.S.P. Grade:

• Pharmaceuticals: Used as Active Pharmaceutical Ingredients (APIs) or excipients in drug formulations.
• Dietary Supplements: Ensures that ingredients in supplements meet safety and efficacy standards.
• Food and Beverages: U.S.P.-grade ingredients may be used in formulations for food and beverages requiring high purity.

Difference from Other Grades:

• Technical Grade: Lower purity, typically used in industrial or non-consumable applications.
• Food Grade: Meets standards for food consumption but may not be suitable for pharmaceuticals.
• Reagent Grade: High purity but intended for laboratory use.

For L-Serine or other supplements, U.S.P. Grade is essential for ensuring it meets regulatory and quality requirements for human consumption in the U.S.