Supplement Label Index — Bloghttps://supplementlabelindex.com/blog/Plain-English explainers on reading supplement labels, backed by data from the NIH DSLD.en-usSun, 20 Sep 2026 00:00:00 GMTMagnesium oxide, citrate or glycinate? What the form on your label tells youhttps://supplementlabelindex.com/blog/magnesium-oxide-citrate-glycinate/https://supplementlabelindex.com/blog/magnesium-oxide-citrate-glycinate/Nearly half of magnesium supplements never name their form, and 1,000 mg of the compound is not 1,000 mg of magnesium. Here is how to read the label.Sun, 20 Sep 2026 00:00:00 GMTLabel readingMagnesiumProprietary blends: the supplement label line that hides the dosehttps://supplementlabelindex.com/blog/proprietary-blends-hidden-doses/https://supplementlabelindex.com/blog/proprietary-blends-hidden-doses/More than one in four US supplement labels lists a proprietary blend. Here is what the rules require, what they let brands keep secret, and how to read one.Sun, 20 Sep 2026 00:00:00 GMTLabel readingProprietary blends