USN BCAA Syntho Amino Stack is a combination of the Branched Chain Amino Acids (BCAAs), uptake enhancers and testosterone maintaining zinc.

Zinc (as Zinc citrate dihydrate), L-Leucine, L-Isoleucine, L-Valine, Alpha-Lipoic Acid, Black Pepper ( BioPerine®)
ALLERGENS: May contain/Produced in a facility that also processes milk, soy, gluten, eggs, fish, crustaceans, sulfite and nuts.

USN uses current, up-to-date, peer-reviewed nutritional research throughout the development of our products and continue to employ the latest manufacturing protocols. USN manufactures its products according to stringent GMP and BRCGS regulations (where applicable) and, therefore, takes proactive steps to ensure that our products are safe and effective. As part of this system, we ensure that the ingredients used in USN products:

• Comply with suppliers certificates of analysis.
• Comply with microbiological standards.
• Are uncontaminated and all ingredients are disclosed on pack

Our dedicated team ensures that:

• Formulations are inspired by the latest research.
• Products meet all label claims.
• We continue to develop our range to support those with specific dietary needs and requirements.

We remain committed to partnerships with some of the world’s most prominent and established raw materials suppliers, never sacrificing quality for profit. With diligent working relationships in place and effective testing models established, we ensure that our raw material quality and finished products remain some of the best available.