Independent supplement research

Know what you're buying before you swallow it.

Compare ingredients, forms, servings, testing claims and value — without digging through dozens of product pages.

Popular comparison
Magnesium Glycinate
vs. Magnesium Citrate
AttributeGlycinateCitrate
FormGlycinateCitrate
Elemental Mg~14%~16%
Digestive effectUsually milderCan loosen stools
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MAGNESIUM

Glycinate vs Citrate

Forms, label differences and what to compare before choosing.

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CREATINE

Powder vs Gummies

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OMEGA-3

Fish Oil vs Algae

Source, EPA/DHA labels, dietary preferences and value.

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VITAMIN D

D2 vs D3

Sources, vegan status and what research says about raising levels.

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CREATINE

Monohydrate vs HCl

Research depth, dose claims and cost per 5 g.

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MAGNESIUM

Glycinate vs Oxide

Elemental content, solubility and cost per 100 mg.

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Latest guide

How to Read a Supplement Label

Start with serving size, ingredient form and amount per serving. Then look for other ingredients and any clearly documented testing information. SuppScout surfaces these fields side by side so you can compare products on the same basis.

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    Find an ingredient, product or question.

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    Compare

    See forms, labels, testing information and value side by side.

  3. 3

    Verify

    Understand where claims and information come from.

  4. 4

    Decide

    Visit the merchant if you decide the product is appropriate for you.

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Trust

Claims, calculations, research and certifications — never blurred.

Manufacturer claims

Labeled as claims. “Third-party tested” without a named program stays a claim.

SuppScout calculations

Cost per serving and per standard amount, with the formula shown.

Published research

Cited from NIH, FDA and peer-reviewed sources.

Certifications

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