Dietary Supplements:

When to Use Them, and When to Avoid Them

Introduction

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1. Biotin (Vitamin B7)

Considerations:

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Potential Risks:

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The Bottom Line:

2. Zinc

Considerations:

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Potential Risks:

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The Bottom Line:

3. Vitamin C

Considerations:

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Potential Risks:

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The Bottom Line:

4. Nicotinamide (Vtamin B3)

Considerations:

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Potential Risks:

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The Bottom Line: