KAL Calming Magnesium Powder, Blueberry supplement bottle
KAL

Calming Magnesium Powder, Blueberry Review

What We Researched
5 active ingredients analyzed · 4 inactive ingredients decoded · 5 brand certifications checked · Page generated: Sep 2026
95
Product Score Excellent
89
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Very Good

Supplement Facts

IngredientAmount% DV
Magnesium (Magnesium Glycinate) 325 mg 77%
Bioavailability Excellent

Absorption Rating

  • Magnesium (Magnesium Glycinate) Good
Other Ingredients Excellent

Fillers & Additives

  • Citric Acid
  • Organic natural blueberry flavor with other natural flavors
  • Stevia (Leaf Extract)
  • Silica
Efficacy Excellent

Dosage Analysis

  • Magnesium (Magnesium Glycinate) 325 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrate 1 g <1%**
Total Sugars 0 g †
Includes 0 g Added Sugars 0%**
Magnesium (Magnesium Glycinate) 325 mg 77%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Organic natural blueberry flavor with other natural flavors Unknown
Stevia (Leaf Extract) Generally_safe

It is used as a sweetener.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
KAL

Founded 1932 · Salt Lake City, Utah, United States · 351 products · kalvitamins.com

Certifications

5 certifications
Nsf Gmp Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Usda Organic Source available Primary evidence
NSF Certified Supporting evidence unavailable
Non-GMO Project Verified Supporting evidence unavailable

Transparency

4 claims
Third Party Testing Claim — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

1 incident
Lawsuit A consumer class action was filed alleging that the marketing of a dietary supplement violated California's consumer-protection laws.2013 Source available Primary source
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Frequently Asked Questions
Is KAL Calming Magnesium Powder, Blueberry a good supplement?

KAL Calming Magnesium Powder, Blueberry received a product quality score of 95/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 5 active ingredients with 40 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 ingredients are flagged for review. The manufacturer, KAL, holds a brand trust score of 89/100.

What are the ingredients in KAL Calming Magnesium Powder, Blueberry?

KAL Calming Magnesium Powder, Blueberry contains 5 active ingredients: Calories (10), Total Carbohydrate (1 g), Total Sugars (0 g), Includes 0 g Added Sugars, Magnesium (Magnesium Glycinate) (325 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is KAL Calming Magnesium Powder, Blueberry safe to take?

GoodSupp reviewed the inactive-ingredient data available for KAL Calming Magnesium Powder, Blueberry. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is KAL a trustworthy supplement brand?

KAL receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1932 and headquartered in Salt Lake City, Utah, United States, the company offers 351 products in their lineup. Note: KAL has 1 historical regulatory incident on record, which are factored into the trust score.

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 150,000 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 150,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. 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.