Ascorbic Acid

Safe PreservativeSynthetic

Ascorbic Acid is a synthetic preservative used in dietary supplements. Safety rating: Safe. It is widely considered safe at typical supplement doses. Found in 20 supplements in the GoodSupp database. Vitamin C used as an antioxidant preservative.

20 Products use this
Safe Safety rating
Preservative Category
No Natural origin

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Ascorbic Acid?

Vitamin C used as an antioxidant preservative.

Common Names Ascorbic Acid, vitamin C
Type Preservative
Origin Synthetic / Manufactured
Safety Rating Safe

Why is Ascorbic Acid used in supplements?

Prevents oxidation and provides vitamin C.

Role in supplements: Preservative — extends shelf life by preventing bacterial growth or oxidation.

Should you be concerned about Ascorbic Acid?

No. Ascorbic Acid is widely regarded as safe for use in dietary supplements at typical levels. It has a long history of use and is accepted by major regulatory bodies.

No action needed. This ingredient is safe at amounts used in supplements.

Top-rated products containing Ascorbic Acid

These 20 highest-scoring supplements in our database use Ascorbic Acid.

Swanson Full Spectrum®, Goji Berry, 500 mg, 60 Capsules
Swanson Full Spectrum®, Goji Berry, 500 mg, 60 Capsules
Product 100 Brand N/A
Equate Equate Probiotic 10 Billion, 60 Vegetarian Capsules
Equate Equate Probiotic 10 Billion, 60 Vegetarian Capsules
Product 100 Brand N/A
Bio-K Bio-K+ IBS Pro Probiotic
Bio-K Bio-K+ IBS Pro Probiotic
Product 100 Brand N/A
Bio-K Bio-K+ Antibio Pro Probiotic
Bio-K Bio-K+ Antibio Pro Probiotic
Product 100 Brand N/A
NOVA Nova 27 Billion Probiotics Vegan Feminine Formular 60 Capsules
NOVA Nova 27 Billion Probiotics Vegan Feminine Formular 60 Capsules
Product 100 Brand N/A
Webber Naturals Webber Naturals® Probiotic 10 Billion 5 Probiotic Strains, 40 Capsules, BONUS! 33% More
Webber Naturals Webber Naturals® Probiotic 10 Billion 5 Probiotic Strains, 40 Capsules, BONUS! 33% More
Product 100 Brand N/A
Promise Orthomolecular Nutraceuticals Promise Organic SAMBUCUS Black Elderberry, Relieve symptoms of colds and flu’s, 6000 mg, Made in Canada (300ml)
Promise Orthomolecular Nutraceuticals Promise Organic SAMBUCUS Black Elderberry, Relieve symptoms of colds and flu’s, 6000 mg, Made in Canada (300ml)
Product 100 Brand N/A
NOVA Probiotics NOVA Probiotics VEGAN Sport - 42 Billion Probiotics per Capsule - No Refrigeration Required, 60 count
NOVA Probiotics NOVA Probiotics VEGAN Sport - 42 Billion Probiotics per Capsule - No Refrigeration Required, 60 count
Product 100 Brand N/A
NOVA Probiotics NOVA Probiotics VEGAN Man/Homme - 12 Billion Probiotics per Capsule - No Refrigeration Required, 60 count
NOVA Probiotics NOVA Probiotics VEGAN Man/Homme - 12 Billion Probiotics per Capsule - No Refrigeration Required, 60 count
Product 100 Brand N/A
NOVA Probiotics Feminine Féminin - 27 Billion Probiotics per Capsule - No Refrigeration Required
NOVA Probiotics Feminine Féminin - 27 Billion Probiotics per Capsule - No Refrigeration Required
Product 100 Brand N/A
NOVA Probiotics NOVA Probiotics Progressive 55+ - 42 Billion Probiotics per Capsule - No Refrigeration Required
NOVA Probiotics NOVA Probiotics Progressive 55+ - 42 Billion Probiotics per Capsule - No Refrigeration Required
Product 100 Brand N/A
NOVA Probiotics NOVA Probiotics Ultra-Force & Travel/Voyage - 73 Billion Probiotics per Capsule
NOVA Probiotics NOVA Probiotics Ultra-Force & Travel/Voyage - 73 Billion Probiotics per Capsule
Product 100 Brand N/A
Udo's Choice Udo's Choice - Senior's Probiotic | Multiple Sizes
Udo's Choice Udo's Choice - Senior's Probiotic | Multiple Sizes
Product 98 Brand N/A
Orange Naturals Orange Naturals - Women's Everyday Probiotic, 30 Veg Caps 30-Day Supply - Helps Restore & Maintain Healthy Vaginal Flora, Urinary Care - Probiotic Supplement with Lactobacillus Acidophilus & Rhamnosus
Orange Naturals Orange Naturals - Women's Everyday Probiotic, 30 Veg Caps 30-Day Supply - Helps Restore & Maintain Healthy Vaginal Flora, Urinary Care - Probiotic Supplement with Lactobacillus Acidophilus & Rhamnosus
Product 97 Brand N/A
Equate Equate Probiotic Formula 30 Billion
Equate Equate Probiotic Formula 30 Billion
Product 96 Brand N/A
Flora Flora Aldut Probiotic, 17 billion cells, 120 Vegetarian Capsules
Flora Flora Aldut Probiotic, 17 billion cells, 120 Vegetarian Capsules
Product 95 Brand N/A
Webber Naturals Webber Naturals® Digestion Probiotic 30 Billion 8 Probiotic Strains, Helps support gastrointestinal health, 30 Capsules
Webber Naturals Webber Naturals® Digestion Probiotic 30 Billion 8 Probiotic Strains, Helps support gastrointestinal health, 30 Capsules
Product 95 Brand N/A
Genuine Health Genuine Health Advanced Gut Health Extra-Strength Probiotic, 20 count, 100 Billion CFU, 15 diverse and balanced strains per capsule, Dairy, soy & gluten-Free, Non-GMO, Vegan
Genuine Health Genuine Health Advanced Gut Health Extra-Strength Probiotic, 20 count, 100 Billion CFU, 15 diverse and balanced strains per capsule, Dairy, soy & gluten-Free, Non-GMO, Vegan
Product 94 Brand N/A
Equate Equate Probiotic 10 Billion Capsules
Equate Equate Probiotic 10 Billion Capsules
Product 94 Brand N/A
NEW ROOTS HERBAL New Roots Herbal Ultra Max Daily Care Probiotic Powder 45g 45-Servings - 36 Billion+ Active Cultures & 11 Beneficial Strains with Inulin, Digestive Support Supplement for Men & Women, Non-GMO Formula
NEW ROOTS HERBAL New Roots Herbal Ultra Max Daily Care Probiotic Powder 45g 45-Servings - 36 Billion+ Active Cultures & 11 Beneficial Strains with Inulin, Digestive Support Supplement for Men & Women, Non-GMO Formula
Product 94 Brand N/A
Related Ingredients
Frequently Asked Questions
Is Ascorbic Acid safe in supplements?

Yes. Ascorbic Acid is rated safe for use in dietary supplements at typical levels. This rating is based on regulatory assessments, published safety research, and its long history of use in the supplement industry. It is widely accepted by major regulatory bodies including the FDA and EFSA. In GoodSupp's database, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Ascorbic Acid and why is it in my supplement?

Vitamin C used as an antioxidant preservative. As a preservative, it extends shelf life by preventing bacterial growth, oxidation, or degradation of active ingredients. It appears in 20 products in the GoodSupp database.

Is Ascorbic Acid natural or synthetic?

Ascorbic Acid is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

What is vitamin c?

Vitamin C is a topic many supplement consumers ask about. In the context of dietary supplements, understanding vitamin c 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 vitamin c 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.

How much vitamin c in an orange?

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 foods have vitamin c?

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.

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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.