Ultra C-400 mg
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
Rice Protein, Microcrystalline Cellulose, Autolyzed Yeast Extract, Silicon Dioxide, Stearic Acid, Hypromellose
Recommended Use
Suggested use: Adults take 1 tablet daily with a beverage. May be taken any time of day, even on an empty stomach.
Warnings
Keep out of reach of children. Do not use if seal under cap is broken or missing.
Frequently Asked Questions
What is MegaFood Ultra C-400 mg's Formulate score?
MegaFood Ultra C-400 mg scores 78 out of 100 (grade B+) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is MegaFood Ultra C-400 mg worth it?
MegaFood Ultra C-400 mg scores 78/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in MegaFood Ultra C-400 mg?
Each serving contains Vitamin C (400 mg), Food Blend (575 mg). Serving size: 1 Tablet(s). 60 servings per container.
How do I take ultra c-400 mg?
Suggested use: Adults take 1 tablet daily with a beverage. May be taken any time of day, even on an empty stomach.
Who makes Ultra C-400 mg?
Ultra C-400 mg is made by MegaFood. See Formulate's full grade and product lineup for MegaFood on its brand page.
Is MegaFood Ultra C-400 mg third-party tested?
MegaFood lists the following certifications and testing for this product: Certified Vegan vegan.org, Vegan, Vegetarian, Gluten-Free, Dairy-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.