USANA Potency Guarantee

USANA is committed to the highest standards of product design and manufacturing, and we guarantee the potency of every nutritional product we sell.

Our company follows internationally accepted Good Manufacturing Practices (GMP) set out for the pharmaceutical industry. As such, we track every detail of product manufacture from start to finish—from the verification of raw materials to final testing of finished products. Standard tests include those for potency, purity, disintegration, weight, hardness, thickness, and stability.

For these reasons and more, you can be confident in the potency and overall quality of USANA products. We truly provide Nutritionals You Can Trust.

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