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PhiNaturals Learn graphic: What is magnesium stearate? An ingredient explained, plainly
What Is Magnesium Stearate? A Plain-Language Label Guide
What magnesium stearate is, why it appears on some supplement labels, and how to find it on yours. Read more...
PhiNaturals Learn graphic: Citrate vs. glycinate, what the research does and does not show
Magnesium Citrate vs. Magnesium Glycinate: What the Research Shows
How citrate and glycinate compare on what the research shows, and where the evidence runs out. Read more...
PhiNaturals Learn graphic: Safety and interactions, what the NIH and FDA say before you start a magnesium supplement
Magnesium Supplement Safety: Upper Limits and Medicine Interactions
The NIH upper limit for supplemental magnesium, what high doses can cause, and which medicines to space apart. Read more...
PhiNaturals Learn graphic: Magnesium in everyday foods, NIH food sources ranked by amount
Magnesium-Rich Foods: The NIH List of Everyday Sources
Thirty everyday foods ranked by magnesium per serving, straight from the NIH's food table. Read more...
PhiNaturals Learn graphic: How much magnesium per day, NIH daily amounts and upper limits by age
How Much Magnesium Do You Need Per Day? NIH Amounts by Age
The NIH's recommended daily magnesium amounts by age and sex, and the upper limit for supplements, in plain language. Read more...
PhiNaturals Learn graphic: Citrate vs. oxide, what the NIH says about absorption
Magnesium Citrate vs. Magnesium Oxide: What the NIH Says About Absorption
Short answer: The NIH Office of Dietary Supplements says forms of magnesium that dissolve well in liquid, including magnesium citrate, tend to be absorbed more completely than less soluble forms... Read more...
PhiNaturals Learn graphic: What does GMP mean on a label? Quality terms explained from FDA sources
What Does GMP Mean on a Supplement Label? FDA Rules Explained
What the FDA manufacturing rules for supplements require, and what a GMP statement on a label does and does not tell you. Read more...