Natural Vitality CALM®, Plus Calcium, Magnesium-Calcium Drink Mix, Original Unflavored, 8 oz (227 g) supplement bottle
Natural Vitality

CALM®, Plus Calcium, Magnesium-Calcium Drink Mix, Original Unflavored, 8 oz (227 g)

What We Researched
7 active ingredients analyzed · 6 inactive ingredients decoded · 3 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
79
Product Score Fair
69
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C 290 mg 322%
Vitamin D (80 IU) 2 mcg 10%
Calcium 230 mg 18%
Magnesium (as Ionic Magnesium Citrate when mixed with water) 350 mg 83%
Potassium 110 mg 2%
Boron 290 mcg *
Bioavailability Very Good

Absorption Rating

  • Vitamin C Fair
  • Vitamin D (80 IU) Good
  • Calcium Good
  • Magnesium (as Ionic Magnesium Citrate when mixed with water) Good
  • Potassium Good
  • Boron Fair
Other Ingredients Excellent

Fillers & Additives

  • Magnesium citrate in ionic form (created from citric acid and magnesium carbonate)
  • Calcium Gluconate
  • Potassium Citrate
  • Ascorbic Acid
  • Boron citrate
  • Cholecalciferol
Efficacy Poor

Dosage Analysis

  • Vitamin C 290 mg Effective
  • Vitamin D (80 IU) 2 mcg Under-dosed
  • Calcium 230 mg Under-dosed
  • Magnesium (as Ionic Magnesium Citrate when mixed with water) 350 mg Effective
  • Potassium 110 mg Under-dosed
  • Boron 290 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 15
Vitamin C 290 mg 322%
Vitamin D (80 IU) 2 mcg 10%
Calcium 230 mg 18%
Magnesium (as Ionic Magnesium Citrate when mixed with water) 350 mg 83%
Potassium 110 mg 2%
Boron 290 mcg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Magnesium citrate in ionic form (created from citric acid and magnesium carbonate) Unknown
Calcium Gluconate Safe

It is used as a source of calcium.

Potassium Citrate Safe

It is used as a mineral supplement and buffer.

Ascorbic Acid Safe

Prevents oxidation and provides vitamin C.

Boron citrate Unknown
Cholecalciferol Safe

It is used to supplement vitamin D levels.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$23$21$19$18$16 Mar 12 $20.99$17.84
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Natural Vitality

Founded 1982 · Austin, Texas, United States · 33 products · naturalvitality.com

Certifications

3 certifications
Consumerlab Verified Source
Labdoor Verified
Non Gmo Project Verified

Transparency

2 claims
Third Party Testing Claim — Claimed
Related Supplements
Frequently Asked Questions
Is Natural Vitality CALM®, Plus Calcium a good supplement?

Natural Vitality CALM®, Plus Calcium, Magnesium-Calcium Drink Mix, Original Unflavored, 8 oz (227 g) received a product quality score of 79/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 7 active ingredients with 30 servings per container. Of the 6 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Natural Vitality, holds a brand trust score of 69/100 with 3 verified certifications including Consumerlab, Labdoor, Non Gmo Project.

What are the ingredients in Natural Vitality CALM®, Plus Calcium?

Natural Vitality CALM®, Plus Calcium contains 7 active ingredients: Calories (15), Vitamin C (290 mg), Vitamin D (80 IU) (2 mcg), Calcium (230 mg), Magnesium (as Ionic Magnesium Citrate when mixed with water) (350 mg), Potassium (110 mg), and 1 more. Notable high-dose ingredients include Vitamin C at 322% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Vitality CALM®, Plus Calcium safe to take?

Natural Vitality CALM®, Plus Calcium, Magnesium-Calcium Drink Mix, Original Unflavored, 8 oz (227 g) has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Natural Vitality a trustworthy supplement brand?

Natural Vitality receives a brand trust score of 69/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Austin, Texas, United States, the company offers 33 products in their lineup. They hold 3 verified certifications including Consumerlab, Labdoor, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.