Life Extension Review: Vitamin D3, Magnesium and Vitamin K2, Checked Against the Evidence
Life Extension is affordable and high-dose, with a long FDA history. We checked its vitamin D3, magnesium and K2 against the research and the public record.
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Thorne Review: Vitamin D3, Magnesium and Vitamin K2, Checked Against the Evidence
Thorne is pricey and well tested. We checked its vitamin D3, magnesium and K2 against NSF records, FDA history and the research. Here’s what holds up.
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Vitamin D3 and Its Cofactors: Magnesium, K2, Boron, Zinc, Calcium, and Vitamin A, and What the Research Really Shows
No study has tested vitamin D3 with magnesium, K2, boron, and zinc together. We graded the research on each pairing and explain how to stay within safe limits.
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Iodine: The Goiter Belt, the Salt That Raised IQ, Pregnancy, the Thyroid, and the High-Dose Debate
Iodized salt quietly changed American health a century ago. Here is iodine’s history, its role in the thyroid and pregnancy, and an honest look at high-dose claims.
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Zinc: The Discovery in Iran, Immunity, Cold Lozenges, Eyes, Taste, Healing, and the Copper Trap
From a 1960s discovery in Iran to cold lozenges and eye health, here is what zinc does, what the research shows, and how too much can drain your copper.
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Boron: The Overlooked Trace Mineral, the USDA Studies, Hormones, Bones, Joints, and Safety
Boron rarely gets attention, yet decades of USDA research tie it to bone, hormones and joints. Here is its history, what studies show, and safe limits.
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Vitamin K1 and K2 (MK-4 and MK-7): History, Warfarin, Newborn Shots, and What the Research Really Shows
Vitamin K does far more than help blood clot. Its surprising history, the K1 vs K2 difference, the warfarin interaction, and what the research really shows.
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Sunrise Alarms and Wind-Down Routines: Can a Hatch Help You Sleep Better?
A sunrise alarm may make waking up feel less groggy, though the research is small. Here’s what light and sound can do, and why your routine matters more.
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Vitamin D: The Sunshine Hormone’s History, Who Runs Low, and What the Research Really Shows
Most adults don’t need high-dose vitamin D, but some groups do benefit. Here’s who may fall short, what large trials found, and how to choose a sensible supplement.
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Multivitamins for Women and Men: Who Benefits and Who Doesn’t
For most healthy adults, a daily multivitamin won’t prevent heart disease or cancer. Some people do benefit, though. Here’s who, and how women’s and men’s formulas differ.
