Magnesium Glycinate vs. Oxide: Bioavailability Grade 5 vs. Grade 1 Explained
Why magnesium oxide absorbs at just 4% while chelated glycinate reaches over 80%. We break down the chemistry, clinical data, and cost implications for each form.
Evidence-based breakdowns, active-ingredient audits, and price-per-serving analyses.
Our 50/30/20 active-ingredient audit of AG1 reveals two cGMP-certified alternatives delivering clinically equivalent spirulina, ashwagandha, and digestive enzyme profiles at less than half the cost per serving.
Why magnesium oxide absorbs at just 4% while chelated glycinate reaches over 80%. We break down the chemistry, clinical data, and cost implications for each form.
Not all ashwagandha extracts are created equal. We compare KSM-66 root-only extraction against generic full-spectrum powders and identify verified alternatives.
More guides coming soon. We publish new scientific audits and ingredient deep dives every month. Have a product you want audited? Let us know.