Supplement labels can feel dense because they combine nutrition facts, ingredient lists, suggested use, warnings, and marketing language in a small space. A slower pass often helps more than a louder claim.
Start with the serving size. Many products present amounts per serving, not per capsule, scoop, gummy, or packet. If you compare two products, normalize the serving size first so the numbers are actually comparable.
Next, scan the daily value column. A high percentage is not automatically better, especially if you already get the nutrient from food or another product. It is a prompt to think about total intake.
The other ingredients section matters too. Sweeteners, flavors, fillers, capsule materials, and allergens may be relevant depending on your preferences and sensitivities.
Finally, separate structure/function language from disease language. A phrase like supports normal immune function is different from a promise to treat, prevent, diagnose, or cure a condition. When in doubt, ask a qualified healthcare professional.