Iodine Supplements: Who Is Actually Deficient and Why More Is Not Better
Most people who eat iodized salt, dairy, eggs or seafood do not need an iodine supplement. Genuine deficiency is most likely in pregnancy and…
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Blog Category
Vitamins & Supplements
Articles on vitamins and supplements: what the evidence supports, who actually needs them, safe doses and interactions with medicines. Tell your doctor about every supplement you take, especially before surgery.
NMN Supplements: What the Human Trials Show, and NMN vs NAD+ Explained
An NMN supplement is a form of vitamin B3 that the body converts into NAD+, a molecule cells use to make energy and repair…
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Methylated Vitamins and MTHFR: What the Gene Variant Means and Whether You Need Special B Vitamins
MTHFR variants are common inherited differences that slow an enzyme involved in folate processing. For most carriers they cause no illness, and large bodies…
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Magnesium Citrate vs Glycinate vs Oxide: Which Form for Which Purpose
Magnesium citrate, glycinate and oxide deliver the same mineral in different packages. Citrate is well absorbed and draws water into the bowel, so it…
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Mushroom Coffee: What Lion’s Mane and Chaga Blends Actually Contain, and What Studies Show
Mushroom coffee is ground coffee blended with powdered extracts of fungi such as lion's mane and chaga, usually with less caffeine per cup than…
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Collagen Peptides: Skin, Joints and Hair: What Trials Show, and Collagen vs Biotin
Collagen peptides are short chains of amino acids made by breaking down animal collagen so the body absorbs them easily. Randomized trials suggest modest…
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Vitamin E: What It Does and Why More Is Not Better
Vitamin E is a fat-soluble antioxidant that protects cell membranes, supports immune function, and helps keep blood vessels healthy. Adults need about 15 mg…
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Electrolyte Powders: Who Needs Them, Who Does Not, and What to Look For on the Label
Most healthy adults eating regular meals do not need an electrolyte powder; water and food replace what they lose. A powder earns its place…
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Moringa: The ‘Miracle Tree’ Supplement Under the Evidence Lens
Moringa (Moringa oleifera) leaf is a nutrient-dense food, but the 'miracle tree' claims outrun the research. Small, short human trials suggest modest effects on…
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Beta-Alanine, Citrulline and Nitric Oxide Boosters: Which Pre-Workout Ingredients Work
Beta alanine has the strongest evidence of the three: randomized trials show it modestly improves high-intensity efforts lasting roughly one to four minutes by…
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Vitamin B Complex: What Each B Does and Who Runs Low
The vitamin B complex is a group of eight water-soluble vitamins, B1, B2, B3, B5, B6, B7, B9, and B12, that help enzymes convert…
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Magnesium Glycinate Side Effects: Loose Stools, Drowsiness and Who Should Avoid It
Magnesium glycinate side effects are usually mild and digestive: loose stools, nausea and stomach cramping, especially on an empty stomach. Some people feel drowsy,…
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Methylene Blue: From Hospital Drug to Longevity Trend: What It Does and Why Self-Dosing Is Risky
Methylene blue is a prescription dye and drug that hospitals give intravenously to treat methemoglobinemia, a rare blood disorder, and occasionally for low blood…
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NAC and Glutathione: What the Body’s Master Antioxidant Does: Pills, IV Drips and Evidence
Glutathione is a small molecule your cells make from three amino acids; it neutralizes free radicals, helps the liver process toxins and recycles other…
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Iron Supplements vs Iron Infusions: Side Effects, Absorption and When an Infusion Is Used
Iron supplements and iron infusions correct the same problem by different routes. Oral iron is absorbed slowly through the gut and often causes constipation,…
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Elderberry and Zinc for Colds: What the Trials Show About Shortening a Cold
Elderberry and zinc are the two cold supplements with the most trial data, and both show modest, uncertain benefits at best. A few small…
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CoQ10: Heart, Statins and Fertility: What the Trials Show
CoQ10 benefits are best supported in chronic heart failure, where one randomized trial and a low-certainty Cochrane review suggest fewer cardiovascular events when it…
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Melatonin Side Effects: Next-Day Grogginess, Vivid Dreams and the Long-Term Questions
Melatonin side effects are usually mild and short-lived: next-day drowsiness, headache, dizziness, nausea and unusually vivid dreams are the most reported. Serious harm is…
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