Tesco Magnesium supplement bottle
Tesco

Magnesium

What We Researched
1 active ingredient analyzed · 8 inactive ingredients decoded · Last updated: Mar 2026
37
Product Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B6 1.4 mg
Bioavailability Fair

Absorption Rating

  • Vitamin B6 Fair
Other Ingredients Poor

Fillers & Additives

  • Magnesium Oxide
  • Cellulose
  • Hydroxypropyl Methyl Cellulose
  • Magnesium Stearate
  • Silicon Dioxide
  • colour (titanium dioxide) High
  • cross-linked sodium carboxymethylcellulose
  • Talc High
Efficacy Very Poor

Dosage Analysis

  • Vitamin B6 1.4 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B6 1.4 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Magnesium Oxide Generally_safe

It is used to provide magnesium, an essential mineral.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Hydroxypropyl Methyl Cellulose Generally_safe

It is used as a vegetarian alternative to gelatin capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

colour (titanium dioxide) Unknown
cross-linked sodium carboxymethylcellulose Unknown
Talc Avoid

It is used to improve powder flow and prevent clumping.

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Frequently Asked Questions
Is Tesco Magnesium a good supplement?

Tesco Magnesium received a product quality score of 37/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 1 active ingredients Of the 8 inactive ingredients, 3 are rated safe and 0 are flagged for review.

What are the ingredients in Tesco Magnesium?

Tesco Magnesium contains 1 active ingredients: Vitamin B6 (1.4 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Tesco Magnesium safe to take?

Tesco Magnesium 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.

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.

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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. 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.