What are the exact dosages for supplements recommended

In the episode "How to Prevent & Treat Colds & Flu" from the Huberman Lab, Andrew Huberman discusses specific dosages for supplements recommended to fight colds and the flu:

1. Vitamin D: Generally, supplementing with 1,000 to 2,000 IU per day is considered safe for most people. Some individuals may need higher doses, but it is important to test blood levels to avoid overdosing 1.

2. Zinc: To combat colds, it is advised to take 90 to 100 mg per day, divided into doses, to enhance recovery. It should be taken with food to avoid gastric distress 2 3.

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     1

     Vitamin D Insights

     01:44:36
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     2

     Zinc Supplementation Insights

     01:53:09
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     3

     Vitamin D Insights

     01:47:10
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     4

     N-Acetylcysteine Insights

     02:00:35
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     5

     N-acetylcysteine Benefits

     01:56:53

3. N-Acetylcysteine (NAC): For congestion relief, 600 to 900 mg can be taken three times a day. As a preventative measure against influenza, 1,200 mg per day, divided into two 600 mg doses, is suggested 4 5.

While these supplements are generally safe for most people when taken in recommended dosages, Dr. Huberman emphasizes consulting a healthcare provider before starting any new supplement regimen.