Guide

Reading Supplement Labels: How to Decode Ingredients and Doses

By SupplementList Editorial Team • 2026-01-22

Supplement labels can be confusing. Understanding serving size, active ingredients, and certifications helps you choose high-quality products.

Key label sections

Look for a Supplement Facts panel, ingredient list, allergens, and third-party testing seals. Pay attention to the daily value percentage.

Red flags to avoid

Avoid proprietary blends without clear dosing and products with exaggerated health claims. When in doubt, choose simpler formulas.

FAQ

What is a Supplement Facts panel?

It lists active ingredients, serving size, and daily values.

Are proprietary blends bad?

They can hide ingredient amounts, making evaluation harder.

What does GMP mean?

GMP indicates good manufacturing practices for quality control.

How do I spot low quality?

Lack of testing, vague labels, and unrealistic claims are warning signs.

Does organic matter?

It can, especially for botanicals, but quality testing is still key.

What about fillers?

Some fillers are harmless, but excessive additives can be avoided.

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