Natural Vitality CALM (16 oz)

supplement

77 out of 100 · Good · how we score

Buy at Natural Vitality → $35.79 (16 oz, 113 servings) · shipping unknown Check price on Amazon →

Prices checked Oct 20, 2026. As an Amazon Associate we earn from qualifying purchases. Disclosure

$35.79Buy at Natural Vitality →

Where it lost points

Lost points for: performance, evidence, price, durability, buying terms

See the math

Performance & features: −8.4, fewer features or weaker core specs than the best in supplements
Evidence & honest claims: −6.3, little independent evidence for the main claim
Value vs category (3-year cost): −4.2, required 3-year cost is high for supplements
Durability & reliability: −2.1, good warranty or build, not the longest we track
Trial, returns & warranty terms: −1.4, trial, return or warranty terms not verified or limited
Minor (under 1 point each): ease of use

Where it shines

Maintenance & upkeep, Lock-in (required subscriptions only)

Who it's for: People who want a magnesium nightcap ritual.

Supplements: these statements have not been evaluated by the FDA. Products here are not intended to diagnose, treat, cure or prevent any disease. Talk to your doctor before starting a supplement.

Price: $35.79 (16 oz, 113 servings) (checked Oct 20, 2026)

Cost per serving: $0.32/serving

Key specs

Magnesium drink powder
~$0.32 per serving

Our take: Not the Calm app. Talk to your doctor if you have kidney issues or take medications.

Score breakdown

Criterion	Score	Weight
Performance & features	3/5	30
Durability & reliability	4/5	15
Maintenance & upkeep	5/5	10
Evidence & honest claims	2/5	15
Value vs category (3-year cost)	3/5	15
Ease of use	4/5	5
Trial, returns & warranty terms	3/5	5
Lock-in (required subscriptions only)	5/5	5

Scores are editorial, based on published specs, pricing, policies and independent research. We have not lab-tested this product. Where a policy wasn't verified we give a neutral 3.

Buy at Natural Vitality → $35.79 (16 oz, 113 servings) · shipping unknown Check price on Amazon →

Prices checked Oct 20, 2026. As an Amazon Associate we earn from qualifying purchases. Disclosure

Sources

https://www.naturalvitality.com/products/magnesium-unflavored-16-oz-453-g-bottle-nv545

Score guide: 90+ Outstanding · 80s Great · 70s Good · 60s Fair · below 60 Skip. How we score