Thorne Magnesium Bisglycinate wins — Thorne Magnesium Bisglycinate outperforms on absorption and GI comfort according to comparisons from ConsumerLab and Exa…
Scores: Thorne Magnesium Bisglycinate 8.5/10 · Natural Vitality Calm 7/10
Thorne Magnesium Bisglycinate outperforms on absorption and GI comfort according to comparisons from ConsumerLab and Examine.com, making it preferable for ongoing daily use. Natural Vitality Calm provides a higher nominal dose and lower price point but trails in bioavailability and can produce laxative effects at full servings per user reports on WebMD. The 1.5-point verdict gap reflects Thorne...
| Thorne Magnesium Bisglycinate | Natural Vitality Calm | |
|---|---|---|
| Magnesium Form | Bisglycinate chelate | Citrate (from carbonate + citric acid) |
| Elemental Magnesium | 200 mg per 2-capsule serving | 325 mg per 2-teaspoon serving |
| Bioavailability | High (chelated) | Moderate to high |
| GI Tolerance | Excellent (minimal laxative effect) | Moderate (can cause loose stools) |
Our pick: Thorne Magnesium Bisglycinate. It edges out the alternative on superior absorption due to bisglycinate chelate form. That said, Natural Vitality Calm still wins on high elemental magnesium dose per serving — consider it if that single trade matters most for your use.