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Digestive Wellness

3 articles

When Skin and Hair Problems Signal a Deeper Deficiency: The Nutrient Gaps Your Dermatologist May Not Be Testing For

Persistent hair loss, stubborn skin conditions, and wounds that refuse to heal are frequently addressed with topical treatments—but for a meaningful subset of patients, the root cause lies in subclinical nutritional deficiencies that standard bloodwork often fails to detect. Selenium, zinc, and iron each play critical and underappreciated roles in skin cell turnover, immune regulation, and tissue repair. Recognizing the early warning signs of these deficiencies, and knowing which tests to reques

Collagen Supplements Under the Microscope: What the Clinical Record Actually Shows

Collagen has become one of the best-selling supplement categories in the United States, propelled by social media endorsements and promises of younger-looking skin, pain-free joints, and stronger hair. Dr. Zoh Wellness cuts through the marketing noise with a frank examination of the peer-reviewed evidence—identifying which populations may see genuine benefit, which claims remain unsubstantiated, and what informed consumers should know before adding collagen to their routine.

Probiotics, Prebiotics, and the Marketing Gap: A No-Nonsense Buyer's Guide to Gut Health

The gut health supplement market is saturated with bold claims and misleading labels — and most American consumers are purchasing products that may not deliver what they promise. Dr. Zoh Wellness breaks down the real science behind probiotics and prebiotics, exposes the questions supplement brands hope you never ask, and provides a clear framework for making purchasing decisions that are grounded in evidence rather than marketing.