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Buffered C-1000 Complex

NOW
4.7
★ ★ ★ ★ ★
(7939 ratings)
Rutin 50 mg
Acerola 50 mg
Flavonoid (mixture) 250 mg
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Score92

An economical bulk supply of buffered vitamin C that combines potency with digestive comfort.

How scoring works
Quantity:180 Tablet(s) • (180 servings)
Goals:

Score 92

An economical bulk supply of buffered vitamin C that combines potency with digestive comfort.

How scoring works

Also available as

1 option
90 servings Acerola 50 mg, Rutin 50 mg +1 more • 90 Tablet(s) • 90 servings $11.60 ($0.12 per serving)
$20.80($0.11 per serving)
Vitacost
$ 22.29
Daily Vita
$ 20.80
Amazon
$ 23.74
iHerb
$ 22.04
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Analysis

This bulk size of buffered vitamin C is designed for those who want a steady, long-term supply of high-potency antioxidants. The calcium ascorbate form ensures that the high dose is easy on the digestive system. It mimics the nutrient profile of fruit by including citrus bioflavonoids, acerola, and rutin.

This combination supports collagen production, skin health, and a strong immune system. The 180-tablet count means you only have to reorder once every six months if taking one a day. It is an efficient and practical way to maintain high daily antioxidant levels without gastric irritation.

Pros

  • Outstanding bulk value
  • Easy on the digestive tract
  • High-potency antioxidant support
  • Includes whole-food cofactors
  • Six-month supply per bottle

Cons

  • Large tablets can be hard to swallow
  • Secondary ingredients are in smaller amounts
  • Basic synthetic-base vitamin C

Warnings

  • Ensure adequate hydration
  • Keep in a cool, dark place
  • Do not exceed recommended dose

Nutrient quality

90 Highest impact

Buffered mineral ascorbate form ensures high-dose Vitamin C can be consumed without common acidic side effects. Inclusion of synergistic bioflavonoids like rutin and acerola supports the structural integrity of blood vessels and improves overall nutrient utility.

Ingredient transparency

92 Highest impact

Dosages for the primary active and all supporting bioflavonoids are explicitly detailed for consumer clarity. Labeling identifies specific botanical sources for cofactors like rutin, enhancing trust in the ingredient quality.

Customer satisfaction

95 Highest impact

Extremely high review volume and strong average ratings demonstrate long-term product efficacy and brand loyalty. Users frequently report excellent tolerability for the buffered form, especially when compared to standard ascorbic acid.

Value for money

94 Highest impact

Bulk sizing further enhances the exceptional value of this buffered Vitamin C complex. This version provides the lowest cost per serving for high-quality antioxidant support within the category.

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Ingredients

IngredientAmount per serving
Vitamin C (Calcium Ascorbate)
 1 Gram(s)
Calcium (Calcium Ascorbate)
 100 mg
Citrus Bioflavonoid Complex
250 mg
Acerola powder
50 mg
Rutin powder (Sophora japonica)
 50 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Rutin (Sophora japonica) · 50 mg OverallScore61
B- Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyB Value
This larger container of Buffered C-1000 maintains the same high-quality rutin source and dosage. It is a cost-effective bulk option for long-term immune and antioxidant maintenance.
View ingredientView products
Acerola · 50 mg OverallScore28
F Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyF Value
This larger bottle offers a buffered Vitamin C complex that utilizes calcium ascorbate as its primary active. It includes acerola and rutin as cofactors to mimic the natural nutrient profile of citrus fruits. It is an excellent value for long-term daily supplementation of high-dose Vitamin C.
View ingredientView products
91 Value

Buffered C-1000 Complex

NOW
4.7
★★★★★
(7824 ratings)
Calcium ascorbate and acerola are provided in a high-potency tablet that mirrors the original formula. This selection is perfect for those who prefer smaller bottle counts while maintaining the same buffered nutrient standards.
Other sellers (4)
97 Value

Ester-C Plus 1000 mg Vitamin C

Solgar
4.9
★★★★★
(187 ratings)
Ester-C provides a highly bioavailable form of vitamin C that is gentle on sensitive digestive systems. This large-count format offers premium quality and improved absorption efficiency at a competitive value.
Other sellers (2)
97 Value

Biorutin 1000 mg

NaturesPlus
4.8
★★★★★
(2149 ratings)
A massive 1000 mg complex of citrus bioflavonoids and rutin supports vascular and capillary health far beyond standard vitamin C tablets. This formulation provides exceptional botanical potency for those focused on bioflavonoid intake.
Other sellers (2)
98 Performance

Ester-C Plus 1000 mg Vitamin C

Solgar
4.8
★★★★★
(11299 ratings)
Patented Ester-C calcium ascorbate supports superior cellular retention and remains non-acidic for stomach comfort. This formula includes higher amounts of citrus bioflavonoids and acerola to more effectively mimic natural food profiles.
Other sellers (0)
94 Performance

Super C Complex

NaturesPlus
4.7
★★★★★
(12492 ratings)
Sophora japonica provides 100 mg of rutin, which is double the amount in the original tablet. The inclusion of hesperidin and rose hips further supports a robust antioxidant profile for vascular defense.
Other sellers (1)
92 Performance

Pycnogenol 60 mg

NOW
4.6
★★★★★
(5746 ratings)
Pycnogenol is combined with 240 mg of rutin and 200 mg of acerola to provide elite vascular and antioxidant support. This concentrated blend targets capillary integrity and cellular defense with high-quality botanical extracts.
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94 Budget

C-1000 With 100 mg Of Bioflavonoids

NOW
4.8
★★★★★
(34458 ratings)
Sophora japonica provides a supportive dose of rutin alongside a high-potency gram of vitamin C. This combination supports antioxidant status using botanical cofactors at a very accessible price point.
Other sellers (3)
95 Budget

Rutin 500 mg

Thompson
4.8
★★★★★
(10426 ratings)
Rutin concentrate at 500 mg offers a much higher therapeutic dose for vascular integrity compared to the trace amounts in the original product. This selection provides focused bioflavonoid support for cardiovascular wellness.
Other sellers (3)
92 Budget

Buffered Vitamin C 500 mg

Solaray
4.9
★★★★★
(5495 ratings)
Buffered mineral ascorbates are paired with rutin and hesperidin concentrates for enhanced synergy. This bulk-sized option maintains a gentle digestive profile while providing a broad spectrum of bioflavonoid cofactors.
Other sellers (2)
91 Value

Buffered C-1000 Complex

NOW
4.7
★★★★★
(7824 ratings)
Calcium ascorbate and acerola are provided in a high-potency tablet that mirrors the original formula. This selection is perfect for those who prefer smaller bottle counts while maintaining the same buffered nutrient standards.
Other sellers (4)
97 Value

Ester-C Plus 1000 mg Vitamin C

Solgar
4.9
★★★★★
(187 ratings)
Ester-C provides a highly bioavailable form of vitamin C that is gentle on sensitive digestive systems. This large-count format offers premium quality and improved absorption efficiency at a competitive value.
Other sellers (2)
97 Value

Biorutin 1000 mg

NaturesPlus
4.8
★★★★★
(2149 ratings)
A massive 1000 mg complex of citrus bioflavonoids and rutin supports vascular and capillary health far beyond standard vitamin C tablets. This formulation provides exceptional botanical potency for those focused on bioflavonoid intake.
Other sellers (2)
98 Performance

Ester-C Plus 1000 mg Vitamin C

Solgar
4.8
★★★★★
(11299 ratings)
Patented Ester-C calcium ascorbate supports superior cellular retention and remains non-acidic for stomach comfort. This formula includes higher amounts of citrus bioflavonoids and acerola to more effectively mimic natural food profiles.
Other sellers (0)
94 Performance

Super C Complex

NaturesPlus
4.7
★★★★★
(12492 ratings)
Sophora japonica provides 100 mg of rutin, which is double the amount in the original tablet. The inclusion of hesperidin and rose hips further supports a robust antioxidant profile for vascular defense.
Other sellers (1)
92 Performance

Pycnogenol 60 mg

NOW
4.6
★★★★★
(5746 ratings)
Pycnogenol is combined with 240 mg of rutin and 200 mg of acerola to provide elite vascular and antioxidant support. This concentrated blend targets capillary integrity and cellular defense with high-quality botanical extracts.
Other sellers (5)
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