Natural Vitality Calm vs Thorne Magnesium Bisglycinate
Verdict: Thorne Magnesium Bisglycinate for most users due to better tolerability and absorption documented in studies on bisglycinate versus citrate forms. Natural Vitality Calm delivers a higher dose at lower cost but risks digestive upset. Consumer Reports and independent lab tests highlight Thorne's purity edge while both meet label claims for magnesium content.
Winner: Thorne Magnesium Bisglycinate
Natural Vitality Calm: 7.5/10
Thorne Magnesium Bisglycinate: 8/10
Spec-by-spec comparison
| Natural Vitality Calm | Thorne Magnesium Bisglycinate | |
|---|---|---|
| Magnesium Form | Magnesium Citrate | Magnesium Bisglycinate |
| Magnesium per Serving | 325 mg | 200 mg |
| Format | Powder | Powder |
| Serving Size | 1 tsp | 1 scoop |
Natural Vitality Calm
What works
- 325 mg elemental magnesium per serving
- Effervescent powder mixes easily in water
What doesn't
- Can cause loose stools at full dose
- Contains citric acid and natural flavors
Thorne Magnesium Bisglycinate
What works
- Chelated bisglycinate form with high absorption
- Gentle on stomach with minimal laxative effect
- No added flavors or sweeteners
What doesn't
- Lower elemental magnesium per scoop
- Powder can clump in humid conditions
Bottom line
Our pick: Thorne Magnesium Bisglycinate.
View full comparison on GoodPickr
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