NOW Foods Magnesium Glycinate and Nature Made High Absorption Magnesium are two widely available, value-priced bisglycinate options that land at the same elemental dose. In our six-criteria assessment, NOW Foods scored 8.5/10 and Nature Made scored 8.1/10.
This comparison uses the same six-criteria methodology we apply to every product. Formulas change — always check the current label before buying.
What’s the difference between NOW Foods Magnesium Glycinate and Nature Made High Absorption Magnesium?
Both deliver 200 mg of elemental magnesium across two units in the gentle bisglycinate form. NOW Foods uses Albion-branded magnesium bisglycinate in tablets, made in an NPA A-rated GMP facility with in-house ISO/IEC-accredited labs. Nature Made uses chelated bisglycinate in capsules and carries USP Verification.
Ingredient breakdown: NOW Foods Magnesium Glycinate vs Nature Made High Absorption Magnesium
Form and dose. Identical on paper — 200 mg elemental per two units, bisglycinate. Certification. Nature Made carries USP Verified (product-level); NOW relies on Albion sourcing plus NPA A-rated GMP and in-house ISO labs. Format. NOW is tablets; Nature Made is capsules — a personal preference.
Who should choose NOW Foods Magnesium Glycinate vs Nature Made High Absorption Magnesium?
Choose NOW Foods Magnesium Glycinate if you want Albion-sourced bisglycinate with strong in-house testing at a value price, and don’t mind tablets.
Choose Nature Made High Absorption Magnesium if you prefer a USP-verified capsule from a mainstream pharmacy brand.
Who should be careful: people with kidney disease should not supplement magnesium without medical guidance, and magnesium can affect the timing of some medications. This comparison is educational — not medical advice.
Bottom line: choosing between NOW Foods Magnesium Glycinate and Nature Made High Absorption Magnesium
NOW Foods edges ahead at 8.5/10 on Albion sourcing and testing depth, while Nature Made at 8.1/10 is the USP-verified, widely stocked alternative. Read the full NOW Foods Magnesium Glycinate review and Nature Made High Absorption Magnesium review, and see the full Best Magnesium Glycinate Supplements lineup.
A note on elemental magnesium
Both state 200 mg elemental magnesium across two units — compare on elemental content, not compound weight, and note the per-serving count (two tablets or two capsules). Verify the supplement-facts panel of the exact product you buy.
Is NOW Foods or Nature Made magnesium better?
Both are 200 mg elemental bisglycinate at value prices. NOW Foods (8.5/10) uses Albion-sourced magnesium with strong in-house testing; Nature Made (8.1/10) is USP-verified. Choose NOW for sourcing/testing, Nature Made for USP and pharmacy availability.
Do they have the same dose?
Yes — both provide 200 mg of elemental magnesium, NOW across two tablets and Nature Made across two capsules, both in the gentle bisglycinate form.
Which has stronger certification?
Nature Made carries USP Verification, a recognized product-level certification. NOW relies on Albion sourcing, an NPA A-rated GMP facility, and in-house ISO/IEC-accredited labs. Both are credible; USP is the more consumer-recognized mark.
Tablet or capsule — does it matter?
It is mainly preference. NOW Foods is tablets; Nature Made is capsules. Both deliver the same elemental dose in the well-absorbed bisglycinate form.
Sources
- NIH Office of Dietary Supplements — Magnesium: Fact Sheet for Health Professionals.
- Boyle, N.B. et al. (2017). The Effects of Magnesium Supplementation on Subjective Anxiety and Stress. Nutrients.