English version in progress: interface and data are in English; some explanatory text is still in Chinese.
Best Vitamin C products by transparent scoring (2026)
Single-ingredient products scored by public rules: dose fit, label transparency, data verification, company transparency, third-party testing. Not a measure of efficacy or safety. No paid placement.
Products ranked: 707 · Reference range: 90 – 2,000 mg (source) · Updated 2026-10-30
Dose fit 40 · Label transparency 20 · Data verification 15 · Company transparency 15 · Third-party test 10 — Methodology · Vitamin C →
| Rank | Product | Per day | Score | Breakdown | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 tie |
1,000 mg Vitamin C Key Lime Emergen-C · US NIH DSLD |
1,000 mg | 90.0 | Breakdown
|
||||||||||||||||
| 1 tie |
Super Stress With Vitamin C The Vitamin Shoppe · US NIH DSLD |
1,000 mg | 90.0 | Breakdown
|
||||||||||||||||
| 1 tie |
Vitamin C GNC · US NIH DSLD |
500 mg | 90.0 | Breakdown
|
||||||||||||||||
| 1 tie |
Vitamin C NutraChamps · US NIH DSLD |
1,000 mg | 90.0 | Breakdown
|
||||||||||||||||
| 1 tie |
Vitamin C 1000 mg The Vitamin Shoppe · US NIH DSLD |
1,000 mg | 90.0 | Breakdown
|
||||||||||||||||
| 1 tie |
Vitamin C 250 mg New Chapter · US NIH DSLD |
250 mg | 90.0 | Breakdown
|
||||||||||||||||
| 1 tie |
Vitamin C Adult Gummies Tangerine Nature Made · US NIH DSLD |
250 mg | 90.0 | Breakdown
|
||||||||||||||||
| 1 tie |
Vitamin C Powder Swanson · US NIH DSLD |
1,000 mg | 90.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Acai Berry Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Coconut-Pineapple Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Cranberry-Pomegranate Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Lemon-Lime Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Meyer Lemon Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Paradise Fruit Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Pink Lemonade Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Raspberry Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Strawberry-Kiwi Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Super Orange Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Tangerine Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
1,000 mg Vitamin C Tropical Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
Airborne More Than Just Vitamin C Zesty Orange Airborne · US NIH DSLD |
500 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
B Complex With Vitamin C CVS Pharmacy · US NIH DSLD |
300 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
Immune Support Supplement More Than Just Vitamin C Zesty Orange Airborne · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
Kidz 250 mg Vitamin C Fruit Punch Emergen-C · US NIH DSLD |
250 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
Kidz Vitamin C 250 mg Fruit Punch Emergen-C · US NIH DSLD |
250 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
More Than Just Vitamin C Zesty Orange Airborne · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
Pink 1,000 mg Vitamin C Pink Lemonade Emergen-C · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
Vitamin C Nature's Sunshine · US NIH DSLD |
1,000 mg | 88.0 | Breakdown
|
||||||||||||||||
| 9 tie |
Vitamin C & D3 Nature's Bounty · US NIH DSLD |
500 mg | 88.0 | Breakdown
|
||||||||||||||||
| 30 tie |
Vitamin C Ascorbates Nature's Sunshine · US NIH DSLD |
1,875 mg | 87.0 | Breakdown
|
||||||||||||||||
| 30 tie |
Vitamin C Echinacea 500 mg Solaray · US NIH DSLD |
513 mg | 87.0 | Breakdown
|
||||||||||||||||
| 30 tie |
Vitamin C with Echinacea Solaray · US NIH DSLD |
1,027 mg | 87.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Alive! Vitamin C Nature's Way · US NIH DSLD |
1,000 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Ascorbic Acid Thorne · US NIH DSLD |
1,000 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Liquid Vitamin C 1000 mg Natural Citrus Flavors Dynamic Health · US NIH DSLD |
1,000 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Liquid Vitamin C for Kids 333 mg Natural Citrus Flavor Dynamic Health · US NIH DSLD |
333 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Pure Vitamin C Allergy Research Group · US NIH DSLD |
2,000 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Super C Buffered Vitamin C Powder Rainbow Light · US NIH DSLD |
2,000 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Sustained Release Vitamin C With PureWay-C Doctor's Best · US NIH DSLD |
500 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
The Better Vitamin C 1000 mg Plus Electrolytes Natural Orange Flavor Ester-C · US NIH DSLD |
1,026 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Vitamin C Bioflavonoids Nature's Way · US NIH DSLD |
1,000 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Vitamin C Extended Release Nutrilite · US NIH DSLD |
500 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Vitamin C Plus Vitamin D & Zinc Natural Orange Pineapple Flavor vitafusion · US NIH DSLD |
144 mg | 85.0 | Breakdown
|
||||||||||||||||
| 33 tie |
Vitamin C with Flavonoids Thorne · US NIH DSLD |
1,500 mg | 85.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Chewable Vitamin C JAMP Pharma Corporation · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Chewable Vitamin C 500 mg Vita Health Products Inc. · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Chewable Vitamin C 500 mg with Sucralose International Vitamin Corporation · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
GNC Vitamin C 500 Buffered GNC · Malaysia NPRA |
609 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
GNC Vitamin C 1000 Tablet GNC · Malaysia NPRA |
1,052 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
GNC Vitamin C 1000 with Bioflavonoids Timed Release GNC · Malaysia NPRA |
1,096 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
GNC Vitamin C 1000mg with Hesperidin Capsule GNC · Malaysia NPRA |
1,010 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
GNC Vitamin C 500 with Rose Hips Timed Release GNC · Malaysia NPRA |
532 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
GNC Vitamin C With Citrus Bioflavonoids Timed Release Tablet GNC · Malaysia NPRA |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
MapleLife¿ Nutrition & Formula Vitamin C 1000mg Nutralab Canada Corp. · Health Canada LNHPD |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
MapleLife¿ and/ or NutraLab¿ Nutrition & Formula Vitamin C 1000 mg Chewable Tablet Nutralab Canada Corp. · Health Canada LNHPD |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
MapleLife¿ and/or NutraLab¿ Nutrition & Formula Vitamin C 500 mg Chewable Tablet Nutralab Canada Corp. · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
NOW Alpha Lipoic Acid 100mg with Vitamin C & E NOW Health Group, Inc. · Health Canada LNHPD |
250 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Nature's Bounty B-Complex with Folic Acid Plus Vitamin C Tablets Nature's Bounty · Malaysia NPRA |
121 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Now Natural Orange Effer-C Fizzy Vitamin C Drink Mix NOW Health Group, Inc. · Health Canada LNHPD |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
NutraChamps Vitamin C NutraChamps Inc. · Health Canada LNHPD |
150 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
NutraChamps Vitamin C Capsule NutraChamps Inc. · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Nutrilite Vitamin C Plus (extended release) Amway Canada Corporation · Health Canada LNHPD |
545 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Propolis + Vitamin C Beekeeper's Naturals Inc. · Health Canada LNHPD |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
QUEST ONCE A DAY VITAMIN C WITH BIOFLAVONOIDS MODIFIED RELEASE TABLET Quest · Malaysia NPRA |
1,031 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Timed Release Vitamin C 1000 mg with Rose Hips Tablets International Vitamin Corporation · Health Canada LNHPD |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C Nature's Sunshine Products of Canada Ltd. · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C 1000 mg GFR Pharma Ltd. · Health Canada LNHPD |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C 500 mg GFR Pharma Ltd. · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C 1000 mg Timed Release GFR Pharma Ltd. · Health Canada LNHPD |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C 250 mg GFR Pharma Ltd. · Health Canada LNHPD |
250 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C 250 mg Chewable Orange Tablets GFR Pharma Ltd. · Health Canada LNHPD |
250 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C 500 mg International Vitamin Corporation · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C 500 mg Chewable Orange Tablets GFR Pharma Ltd. · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C 500 mg Timed Release GFR Pharma Ltd. · Health Canada LNHPD |
500 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C Chewable Nature's Sunshine Products of Canada Ltd. · Health Canada LNHPD |
250 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C Timed Release Nature's Sunshine Products of Canada Ltd. · Health Canada LNHPD |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 45 tie |
Vitamin C-1000 mg with Rose Hips Vita Health Products Inc. · Health Canada LNHPD |
1,000 mg | 84.0 | Breakdown
|
||||||||||||||||
| 78 tie |
Ascorbic Acid One Gram Thorne Research · US NIH DSLD |
1,000 mg | 83.0 | Breakdown
|
||||||||||||||||
| 78 tie |
Buffered Vitamin C Jarrow Formulas · US NIH DSLD |
820 mg | 83.0 | Breakdown
|
||||||||||||||||
| 78 tie |
Buffered Vitamin C 500 mg Schiff · US NIH DSLD |
500 mg | 83.0 | Breakdown
|
||||||||||||||||
| 78 tie |
Buffered Vitamin C 500 mg Country Life · US NIH DSLD |
500 mg | 83.0 | Breakdown
|
||||||||||||||||
| 78 tie |
Ester-C plus 500 mg Vitamin C Solgar · US NIH DSLD |
1,000 mg | 83.0 | Breakdown
|
||||||||||||||||
| 78 tie |
Vitamin C Sundown Naturals · US NIH DSLD |
1,000 mg | 83.0 | Breakdown
|
||||||||||||||||
| 78 tie |
Vitamin C 1000 mg Country Life · US NIH DSLD |
1,000 mg | 83.0 | Breakdown
|
||||||||||||||||
| 78 tie |
Vitamin C 1000 mg Schiff · US NIH DSLD |
1,000 mg | 83.0 | Breakdown
|
||||||||||||||||
| 86 | Chewable Vitamin C Natural Cherry Flavor Little DaVinci · US NIH DSLD |
300 mg | 82.0 | Breakdown
|
||||||||||||||||
| 87 | High Potency Vitamin C 1000 mg Sundown Naturals · US NIH DSLD |
1,000 mg | 80.0 | Breakdown
|
||||||||||||||||
| 88 tie |
21ST CENTURY ACID FREE C 1000MG TABLET 21st Century · Malaysia NPRA |
1,000 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
21st Century Acid Free C 500mg Tablet 21st Century · Malaysia NPRA |
500 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
Ascorbic Acid Thorne Research, Inc. · Health Canada LNHPD |
1,000 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
BLACKMORES VITAMIN C 500MG TABLET Blackmores · Malaysia NPRA |
515 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
Buffered Vitamin C Powder Thorne Research, Inc. · Health Canada LNHPD |
1,175 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
C 1000 Douglas Laboratories Canada · Health Canada LNHPD |
1,000 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
Orange Chew 500mg Douglas Laboratories Canada · Health Canada LNHPD |
500 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
Pure Encapsulations Liposomal Vitamin C Liquid Pure Encapsulations · Health Canada LNHPD |
1,000 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
REDOXON DOUBLE ACTION VITAMIN C + ZINC EFFERVESCENT TABLETS Redoxon · Malaysia NPRA |
1,000 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
REDOXON® LEMON Redoxon · Health Canada LNHPD |
1,000 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
REDOXON® ORANGE Redoxon · Health Canada LNHPD |
1,000 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
Redoxon Vitamin C 1000mg Orange Flavour Effervescent Tablet Redoxon · Malaysia NPRA |
1,000 mg | 79.0 | Breakdown
|
||||||||||||||||
| 88 tie |
SWISSE ULTIBOOST VITAMIN C 1,000MG TABLETS Swisse · Malaysia NPRA |
1,248 mg | 79.0 | Breakdown
|
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.