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When we contacted collagen companies requesting basic safety documentation, most major brands either declined or never responded. Household names like Vital Proteins, Great Lakes Wellness, and Nordic Naturals wouldn't provide certificates proving their products are free from heavy metals and contaminants. This silence raises questions about what these companies might be hiding.

The concern is legitimate because collagen comes from animal bones and connective tissue, where environmental toxins naturally accumulate. While clinical research supports collagen's benefits for skin and joint health, these positive effects mean nothing if the product contains harmful substances. Many consumers assume premium pricing or "grass-fed" labels guarantee safety, but these offer no protection against contamination.

Only a small group of companies willingly shared comprehensive testing results. These brands proved transparency is possible in this industry. When choosing supplements you'll consume daily for months, safety documentation should be the minimum expectation, not the exception.

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Timestamps:

0:00 - Introduction

0:48 - What is Collagen? The Complete Science Breakdown

3:06 - Do Collagen Supplements Actually Work?

4:41 - Hidden Dangers in Collagen Products

12:07 - Testing Standards: What We Demanded from Companies

13:35 - The Hall of Shame: 31 Companies That Failed

15:36 - The Top 11 Most Transparent Collagen Companies