Formulated with L. reuteri, known to improve hair quality—think thick, lustrous growth. Promote the growth of healthy bacteria and improve nutrient retention in the gut with 7 probiotic strains. Acid-resistant capsules help the probiotics travel deep into the digestive tract for improved efficacy without being compromised by your stomach acid. Contains probiotic strains known to protect the gut from environmental and hormonal stressors. Designed to promote a healthier environment for hair to grow.