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Your herbal capsules contain magnesium stearate as a non-medicinal ingredient. Isn’t magnesium stearate supposed to be bad for you?

There has been much controversy about magnesium stearate and its supposed ill effects on health and bioavailability. The scientific research, however, does not support the argument that it is harmful. A small amount of magnesium stearate is included in some of our capsules as a lubricant that facilitates the flow of powdered herbal extract and makes it possible to properly fill the capsule. Magnesium stearate is the magnesium salt of stearic acid, which is a saturated fatty acid that occurs abundantly in vegetable and animal oils and fats. To give you an idea of scale here, 1 tbsp of olive oil has 266 mg of stearic acid, 1 tbsp of coconut oil has 381 mg of stearic acid, and a hamburger patty has 1599 mg of stearic acid. Meanwhile, one of our capsules typically has 1-10 mg of magnesium stearate, the latter consisting of 96% stearic acid. In fact, we are phasing out magnesium stearate as a lubricant in our capsule manufacturing process. Stay tuned for magnesium stearate free caps—coming soon!

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