Most supplements are worthless.

There's either no evidence they work, or good evidence that they don't work.

But that doesn't mean they're all bad. 

In some cases, it might be hard to get certain nutrients from food and taking supplements might be a good idea.

Kamal Patel, Direct of Examine.com, walks you through the supplements that actually work, how much to take, when to use them, and pretty much everything else you need to know. 

At the end of this interview, you'll know exactly which supplements might be worth taking and why.

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