Doctor's Best Collagen Types 1 & 3 with Vitamin C - 540 Tablets niacinamide supplement Our promise is clear: certified

Our promise is clear: certified organic

GMP certified manufacturing ensures purity and potency

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The addition of Citrus Bioflavonoids helps your body utilize Vitamin C more efficiently

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Doctor's Best Collagen Types 1 & 3 with Vitamin C - 540 Tablets niacinamide supplement Our promise is clear: certifiedUnlock the Power of Collagen for Radiant Beauty and Joint Health! At Doctor's Best, we believe in nurturing beauty and wellness from the inside out. Our Science Based Nutrition formula featuring Types 1 & 3 hydrolyzed collagen peptides with Vitamin C supports healthy tissues, bone strength, and joint flexibility, contributing to the beauty of hair, skin, nails, and overall endurance and strength. Benefits: Supports healthy hair, skin, and nails Helps