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Answer:

First, if you take any of the medications with which alpha lipoic acid potentially interacts, stopping alpha lipoic acid may cause you to have to adjust the doses you take of such medications. These medications are discussed in the "Concerns and Cautions" section of the Alpha Lipoic Acid Review. If you are on one of these medications, you may want to discuss your change in alpha-lipoic acid use with your healthcare practitioner.

In light of the above, and even if you are not taking other medications, it may be best to taper off alpha-lipoic acid, such as cutting to a half-dose for a week before stopping completely — although we are not aware of studies looking at this or other procedures for discontinuing alpha-lipoic acid treatment.

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Michael22858
July 2, 2021

Greetings! When ordering from Vitacost.com, I received a popup warning (citing California Proposition 65) that Vitacost's Alpha Lipoic Acid 300mg capsule product could contain lead. But it appears ConsumerLab did not test for lead because there were no herbal ingredients listed for this supplement. Are there any plans to add lead testing for Alpha Lipoic Acid in general (not just for those with herbal ingredients)? I would like to know whether this supplement contains lead, and if so, how much.

ConsumerLab.com
July 2, 2021

Alpha lipoic acid is a synthetic compound and not at all likely to be contaminated with lead. Lead is most common in botanical supplements. More likely is that the merchant is showing that warning for a broad array of supplements, whether or not they are actually known to exceed the limit for the warning. But we'll reach out the vendor for a response and will post it here when we get one.

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