Supplement & Wellness Guides

Most people over 40 take supplements without knowing whether the form, dose, or timing actually matters. These guides are here to help.

Each article tackles a specific problem: poor sleep, low energy, bone health, gut health, or declining immunity. You’ll find what the research says, which supplement forms actually absorb, and whether something is worth taking in the first place.

Practical, evidence-based, written in plain English.

Magnesium Glycinate vs Magnesium Threonate: Which Is Better?

magnesium glycinate vs magnesium threonate

Magnesium threonate is researched for brain health; glycinate covers sleep, anxiety and daily use at a fraction of the price. Here’s how they compare.

Glutathione Side Effects: What You Need to Know

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Glutathione side effects are rare at typical doses. What to expect from oral, liposomal and IV forms — and who should be cautious.

Vitamin D and Sleep: Does It Actually Make a Difference?

Research has found vitamin D receptors in the brain areas that regulate sleep. Here’s what the evidence says about vitamin D, sleep quality, and timing.

How to Restore Gut Health After Antibiotics: What Actually Works

Your gut microbiome can take months to recover after antibiotics. Here’s what the research says about diet, fermented foods and targeted supplements for restoring it.

Magnesium Bisglycinate vs Glycinate: Are They the Same Thing?

magnesium bisglycinate vs glycinate epsilon life non buffered

Magnesium bisglycinate and magnesium glycinate are the same compound — two names used interchangeably for an identical molecule. Here’s why labels differ and what to look for when buying.

Vitamin D3 and K2 Side Effects: Safety and Key Interactions

Vitamin D3 and K2 are well tolerated at standard doses for most healthy adults — but there are specific side effects and interactions worth knowing before supplementing. This guide covers GI complaints, the warfarin interaction, vitamin D upper limits, thiazide diuretics, and who should take extra care.

NAC for Lungs: Benefits, Dosage and What the Research Shows

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NAC has been used for lung conditions since the 1960s. What the research shows on COPD, mucus, bronchitis, lung repair and acute infection.

Gut Health Drinks: What Actually Works and What Doesn’t

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From kombucha to kefir to probiotic supplements in liquid form — the gut health drinks market is crowded. Here’s what the evidence actually says about which ones are worth your money.

Benefits of Magnesium Glycinate: Uses, Dosage and What the Research Shows

magnesium glycinate benefits dosage

Magnesium glycinate is the best-absorbed, best-tolerated form of magnesium — but not all products are equal. Here’s what the research shows about its benefits, the buffered vs unbuffered distinction, and how to dose it properly.