Vitamin C, 1000 mg
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin C (as ascorbic acid) | 1,000 mg | 1,111% |
| Quercetin (as quercetin dihydrate) | 10 mg | * |
| Citrus Bioflavonoids | 5 mg | * |
| Rose Hips 4:1 Extract (fruit) | 10 mg | * |
| Rutin | 10 mg | * |
| Elderberry Fruit Extract (Sambucus nigra) (standardized for 15% polyphenols and 5% flavonoids) | 5 mg | * |
Bioavailability Fair
Absorption Rating
- Vitamin C (as ascorbic acid) Fair
- Quercetin (as quercetin dihydrate) Fair
- Citrus Bioflavonoids Fair
- Rose Hips 4:1 Extract (fruit) Fair
- Rutin Fair
- Elderberry Fruit Extract (Sambucus nigra) (standardized for 15% polyphenols and 5% flavonoids) Good
Other Ingredients Excellent
Fillers & Additives
- Microcrystalline Cellulose
- Vegetable Stearic Acid
- Vegetable Magnesium Stearate
- Croscarmellose Sodium
- Aqueous film coating (purified water, hydroxypropyl methylcellulose, and vegetable glycerin)
Efficacy Very Poor
Dosage Analysis
- Vitamin C (as ascorbic acid) 1,000 mg Effective
- Quercetin (as quercetin dihydrate) 10 mg Under-dosed
- Citrus Bioflavonoids 5 mg Under-dosed
- Rose Hips 4:1 Extract (fruit) 10 mg Under-dosed
- Rutin 10 mg Under-dosed
- Elderberry Fruit Extract (Sambucus nigra) (standardized for 15% polyphenols and 5% flavonoids) 5 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin C (as ascorbic acid) | 1,000 mg | 1,111% |
| Quercetin (as quercetin dihydrate) | 10 mg | * |
| Citrus Bioflavonoids | 5 mg | * |
| Rose Hips 4:1 Extract (fruit) | 10 mg | * |
| Rutin | 10 mg | * |
| Elderberry Fruit Extract (Sambucus nigra) (standardized for 15% polyphenols and 5% flavonoids) | 5 mg | * |
Other Ingredients
Price Comparison
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Is SHIFAA NUTRITION Vitamin C, 1000 mg a good supplement?
SHIFAA NUTRITION Vitamin C, 1000 mg received a product quality score of 68/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 6 active ingredients with 60 servings per container. Of the 5 inactive ingredients, 3 are rated safe and 0 are flagged for review.
What are the ingredients in SHIFAA NUTRITION Vitamin C, 1000 mg?
SHIFAA NUTRITION Vitamin C, 1000 mg contains 6 active ingredients: Vitamin C (as ascorbic acid) (1,000 mg), Quercetin (as quercetin dihydrate) (10 mg), Citrus Bioflavonoids (5 mg), Rose Hips 4:1 Extract (fruit) (10 mg), Rutin (10 mg), Elderberry Fruit Extract (Sambucus nigra) (standardized for 15% polyphenols and 5% flavonoids) (5 mg). Notable high-dose ingredients include Vitamin C at 1,111% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is SHIFAA NUTRITION Vitamin C, 1000 mg safe to take?
SHIFAA NUTRITION Vitamin C, 1000 mg 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.
How much vitamin d3 should i take daily?
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 does vitamin d do?
This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.
How much vitamin d3 per day for a woman?
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.
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