Slow Down Aging with Vitamin D - Dr. Stengler on Vitamin D Supplements
Dr. Stengler shares insights from a Harvard study on vitamin D3 and how it supports healthy aging, bone strength, and whole-body wellness.
Read MoreHow do you know what diet, supplements, or even medications are right for you? With so many health issues happening within our society, things can often get confusing. America’s Natural Doctor, Dr. Mark Stengler, NMD provides you with the most updated, science-backed information so you can find answers to common health questions that have become puzzling and have held you back from achieving optimal health.


Dr. Stengler shares insights from a Harvard study on vitamin D3 and how it supports healthy aging, bone strength, and whole-body wellness.
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Dr. Stengler reveals key supplements that help heal leaky gut, reduce bloating, and support long-term digestive wellness.
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Discover how berberine, a powerful natural compound, supports blood sugar balance and may serve as a natural alternative to metformin for type 2 diabetes.
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Hashimoto’s thyroiditis is the #1 cause of low thyroid—yet most patients are never told why they have it. In this video, Dr. Mark Stengler reveals the root causes, natural therapies, and the key blood tests you need to monitor and improve your thyroid health.
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Think artificial sweeteners are a “safe” swap for sugar? Think again. Dr. Mark Stengler exposes the hidden heart risks behind common sweeteners like sucralose, erythritol, and aspartame — and reveals what natural options are actually safe.
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Taking thyroid medication but still not losing weight? Dr. Mark Stengler explains why the real issue may be low T3 — the active thyroid hormone that most patients never get tested.
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