Thorne
Vitamin C with Flavonoids
88/100
SUPPIE SCORE
82/100
EFFICACY
High
SAFETY
92/100
CLEANLINESS
What Does Vitamin C with Flavonoids Do?
Its main active, Vitamin C (as Ascorbic Acid), provides 500-1,500 mg a day, within the studied range (200-3,000 mg/day).
How does pairing bioflavonoids with vitamin C affect absorption?
Can taking multiple capsules daily cause stomach upset?
Should I take this supplement with food or on an empty stomach?
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What Are the Benefits of Vitamin C with Flavonoids?
Based on proven scientific research
Immune DefenseStrong
Antioxidant ProtectionStrong
Collagen SynthesisStrong
Iron AbsorptionModerate
Good For:
What Are the Side Effects of Thorne Vitamin C with Flavonoids?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•500 mg of ascorbic acid is well below the 2,000 mg adult tolerable upper intake level, with mild digestive upset being the primary risk.
•Individuals with a history of calcium oxalate kidney stones or renal impairment face increased stone risk from high-dose ascorbate metabolism.
•People with hemochromatosis or glucose-6-phosphate dehydrogenase (G6PD) deficiency should avoid excess ascorbate intake.
•High doses of ascorbic acid can alter the absorption of iron supplements and potentially interfere with blood thinners like warfarin.
•Safety data for citrus bioflavonoid extracts in pregnancy and lactation are limited; consult an obstetrician before use.
Potential Side Effects
Negative Interactions
Allergens
Citrus
Inactive Ingredients
Hypromellose (derived from cellulose) capsule
Low RiskSilicon dioxide. allergy
Low RiskSilicon dioxide
Low RiskWhat Are the Ingredients in Thorne Vitamin C with Flavonoids?
Vitamin C (as Ascorbic Acid)
500 mg
Citrus Bioflavonoids
75 mg
Hypromellose (derived from cellulose) capsule
silicon dioxide. Allergy
Silicon Dioxide
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Dosage & Bioavailability
How the active doses and forms in Vitamin C with Flavonoids compare to the research.
•Vitamin C (as Ascorbic Acid) — 500-1,500 mg a day; within the 200-3,000 mg/day used in studies.
•Citrus Bioflavonoids — 75-225 mg a day; studies use 500-1,000 mg/day.
Sources & References
Frequently Asked Questions
Common questions about Thorne Vitamin C with Flavonoids