Category: Evidence Guides
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A federal court ordered Prevagen’s marketer to stop its memory claims in December 2024. What apoaequorin is, and what the trial evidence shows.
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Vitamin B6 above 100 mg a day can cause sensory neuropathy, with cases reported at 50 mg. The doses, the symptoms, and where the dose hides.
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Supplements can make thinking worse: sedation, high-dose B6 neuropathy, masked B12 deficiency, liver injury and disrupted sleep. The documented list.
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Nine label entries that mark a brain supplement as unevidenced, from four ingredients FDA says are not lawful to high-dose vitamin B6.
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The big trials of brain supplements mostly failed. Here is the evidence against buying one, from a site that reviews them for a living.
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No nootropic has strong evidence in healthy adults. Our tier list rates 40 compounds with an honest verdict and the population each effect was found in.