Muscle Food Labs Vitamin C D3 Zinc supplement bottle
Muscle Food Labs

Vitamin C D3 Zinc

What We Researched
4 active ingredients analyzed · 2 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
89
Product Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C 1,000 mg 1,111%
Vitamin D3 125 mcg 625%
Zinc Complex 25 mg 227%
Citrus Bioflavonoid Complex 25 mg
Bioavailability Good

Absorption Rating

  • Vitamin C Fair
  • Vitamin D3 Good
  • Zinc Complex Fair
Other Ingredients Excellent

Fillers & Additives

  • Organic Rice Powder
  • Vegetable Cellulose (capsule shell)
Efficacy Excellent

Dosage Analysis

  • Vitamin C 1,000 mg Effective
  • Vitamin D3 125 mcg High
  • Zinc Complex 25 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C 1,000 mg 1,111%
Vitamin D3 125 mcg 625%
Zinc Complex 25 mg 227%
Citrus Bioflavonoid Complex 25 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Price Comparison

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

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Frequently Asked Questions
Is Muscle Food Labs Vitamin C D3 Zinc a good supplement?

Muscle Food Labs Vitamin C D3 Zinc received a product quality score of 89/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 4 active ingredients with 120 servings per container. Of the 2 inactive ingredients, 0 are rated safe and 0 are flagged for review.

What are the ingredients in Muscle Food Labs Vitamin C D3 Zinc?

Muscle Food Labs Vitamin C D3 Zinc contains 4 active ingredients: Vitamin C (1,000 mg), Vitamin D3 (125 mcg), Zinc Complex (25 mg), Citrus Bioflavonoid Complex (25 mg). Notable high-dose ingredients include Vitamin C at 1,111% DV, Vitamin D3 at 625% DV, Zinc Complex at 227% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Muscle Food Labs Vitamin C D3 Zinc safe to take?

Muscle Food Labs Vitamin C D3 Zinc 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.