Ester-C 1000 mg With Citrus Bioflavonoids
American Health
Ester-C 1000 mg With Citrus Bioflavonoids
4.8
★ ★ ★ ★ ★
(5880 ratings)
Vitamin C 1000 mg
Score 75.0
A high-dose, buffered Vitamin C with bioflavonoids, suitable for sensitive stomachs. Effective for various health goals but comes at a higher price point compared to similar alternatives.
Quantity: 120 Tablet(s)Servings size: 1 Vegetarian Tablet(s) (120 servings)
Selected goals:
Other goals:
General Health
Heart Health
Anti-Aging
Cardiovascular Support
Immunity
leaderboard Score 75.0
A high-dose, buffered Vitamin C with bioflavonoids, suitable for sensitive stomachs. Effective for various health goals but comes at a higher price point compared to similar alternatives.
insights Analysis
American Health Ester-C 1000 mg With Citrus Bioflavonoids delivers a substantial dose of Vitamin C in a calcium ascorbate form, widely recognized for its gentleness on the digestive system. The inclusion of citrus bioflavonoids aims to enhance the absorption and antioxidant profile of the supplement. This dosage is ideal for intensive immune support, collagen production, and antioxidant protection. While the brand is reputable and the formulation is sound for targeted benefits, its price per serving ($0.18) is considerably higher than NatureSmart's Ester-C ($0.08) and numerous standard ascorbic acid products, positioning it as a less economical choice for consumers seeking high doses of Vitamin C.
- Offers a high 1000mg dose of Vitamin C, effective for strong immune and general health support.
- Uses Ester-C (calcium ascorbate), a buffered form that is gentle on the stomach and well-tolerated.
- Includes citrus bioflavonoids for potential enhanced absorption and antioxidant benefits.
- Higher price per serving ($0.18) compared to equally effective or even more cost-efficient buffered Vitamin C options.
- Doesn't offer a significant advantage over standard ascorbic acid for individuals without stomach sensitivity to justify the premium cost.
$22.67($0.18 per serving)
 Pure Formulas | $ 22.67 | |
 Daily Vita | $ 22.67 | |
 iHerb | $ 22.67 | |
 Vitacost | $ 24.09 |
bolt Effectiveness for goals
Vitamin C contributes to immune defense by supporting various cellular functions of both the innate and adaptive immune system. It aids in the production and function of white blood cells and supports epithelial barrier function against pathogens. While essential, large doses have not been shown to significantly "boost" immunity beyond preventing deficiency.
Regular Vitamin C supplementation may slightly reduce the duration and severity of the common cold in some individuals, particularly those under extreme physical stress. However, it does not reliably prevent colds in the general population. Research indicates limited benefit for prevention in most people.
Adequate Vitamin C intake is crucial for collagen formation, which supports healthy skin, bones, and cartilage. It also plays a vital role in immune function, iron absorption, and acts as a powerful antioxidant protecting cells from damage. It is essential for general growth, development, and tissue repair.
Vitamin C is a powerful antioxidant that helps protect the skin from oxidative damage caused by UV exposure and pollutants. It is also essential for collagen synthesis, which contributes to skin structure and elasticity. Both dietary and topical Vitamin C are recognized for supporting skin health.
Yes, Vitamin C is a potent antioxidant that helps protect cells from damage caused by free radicals. These unstable molecules are generated by normal bodily processes and environmental stressors. This antioxidant function is crucial for overall cellular health and can reduce oxidative stress.
schedule Dosage, timing & forms
Ascorbic acid is the most common and widely studied form of Vitamin C. Ester-C, often calcium ascorbate, is a buffered form that may be gentler on the stomach. Liposomal Vitamin C encapsulates the nutrient in tiny fat-like spheres, which may enhance absorption and bioavailability in some cases.
The Recommended Dietary Allowance (RDA) for adult men is 90 mg per day and for adult women is 75 mg per day. Higher amounts may be recommended for smokers. These dosages are generally sufficient to prevent deficiency.
Yes, different forms can influence absorption rates. While ascorbic acid is generally well-absorbed, some forms like liposomal Vitamin C are designed to offer enhanced absorption, potentially improving bioavailability. Buffered forms like calcium ascorbate are often chosen for better tolerance, especially for sensitive individuals.
For most adult men, the recommended daily allowance (RDA) of Vitamin C is 90 mg, and for adult women, it is 75 mg. These amounts are generally sufficient to prevent deficiency and support overall health. Higher doses may be considered in specific circumstances.
The tolerable upper intake level (UL) for Vitamin C in adults is 2,000 mg (2 grams) per day. Exceeding this limit can lead to gastrointestinal side effects such as diarrhea, nausea, and abdominal cramps. This UL is set to prevent adverse effects.
health_and_safety Safety & interactions
High doses of Vitamin C may lead to digestive upset, such as diarrhea, nausea, and abdominal cramps. These effects are generally mild and more likely to occur with doses exceeding the tolerable upper intake level. Reducing the dose usually alleviates these symptoms.
The tolerable upper intake level (UL) for Vitamin C in adults is 2,000 mg per day. Consuming amounts above this UL may increase the risk of gastrointestinal disturbances like diarrhea. Exceeding this limit regularly is generally not recommended without medical supervision.
Vitamin C enhances the absorption of non-heme iron, which is found in plant-based foods and supplements. This interaction can be beneficial for individuals with low iron stores or those following vegetarian or vegan diets. Taking Vitamin C with iron supplements may improve their effectiveness.
For most healthy individuals, Vitamin C supplementation does not significantly increase the risk of kidney stones. However, individuals with a history of kidney stones or certain underlying conditions, particularly those prone to oxalate-type stones, might need to exercise caution with high doses. Vitamin C can be metabolized into oxalate, which is a component of some kidney stones.
Some older studies suggested high doses of Vitamin C might interfere with the effectiveness of certain anticoagulants like warfarin. However, more recent evidence indicates that moderate Vitamin C intake is unlikely to have a significant effect on most common blood thinners. Patients on anticoagulant therapy should discuss any supplement use with their healthcare provider.
Ingredients
| Ingredient | Amount per serving |
|---|---|
| Vitamin C (Ester-C Calcium Ascorbate) | 1000 mg |
| Calcium (Ester-C Calcium Ascorbate) | 110 mg |
| Citrus Bioflavonoids Complex | 200 mg |
Categories
Vitamin C 75.0
As a Vitamin C supplement, it delivers a beneficial form and dose, but its higher price point makes it less attractive compared to other high-quality alternatives in the market.
Goals
Immunity 90.0
The 1000mg dose is highly effective for robust immune system support, making it a strong choice for this goal, particularly with its buffered form aiding consistent intake.
General Health 85.0
Provides a significant daily dose of essential Vitamin C, contributing comprehensively to overall physiological functions and well-being.
Skin Health 85.0
Important for collagen synthesis, supporting skin structure and appearance, though its higher cost per dose makes more affordable options preferable for long-term skin benefits.
Recommended Alternatives
88 Value 
Ester-C 24 Hour Immune Support 1000 mg
NatureSmart
4.9
★★★★★
(12141 ratings)
Offers the exact same Ester-C form and 1000mg dosage at a substantially lower price per serving ($0.08), making it the superior value choice within the Ester-C category.
95 Value 
Gold C Vitamin C 1000 mg
California Gold Nutrition
4.8
★★★★★
(358411 ratings)
Delivers a potent 1000mg of standard ascorbic acid at a highly competitive price per serving ($0.046), representing an excellent value for high-dose Vitamin C.
96 Value 
C 1000 mg
Swanson
4.8
★★★★★
(1596 ratings)
Provides a cost-effective 1000mg dose of standard Vitamin C ($0.041/serving), balancing strong potency with an attractive price point for everyday use.
88 Performance
Ester-C 24 Hour Immune Support 1000 mg
NatureSmart
4.9
★★★★★
(12141 ratings)
This alternative offers the same 1000mg of Ester-C but at a significantly lower price per serving ($0.08), providing comparable quality and benefits at much better value.
90 Performance 
Buffered Gold C
California Gold Nutrition
4.8
★★★★★
(46051 ratings)
A high-quality buffered Vitamin C (Sodium Ascorbate) at 750mg, offering a stomach-friendly option from a reputable brand, with excellent overall value.
88 Performance 
C 1000 mg with Rose Hips
21st Century
4.8
★★★★★
(4334 ratings)
Provides the same 1000mg dose with added rose hips, potentially offering enhanced benefits beyond pure Vitamin C for a well-rounded supplement.
96 Budget
C 1000 mg
Swanson
4.8
★★★★★
(1596 ratings)
Offers the same 1000mg dose of ascorbic acid at a significantly lower price per serving ($0.041), providing excellent potency at a much more affordable cost.
95 Budget
Gold C Vitamin C 1000 mg
California Gold Nutrition
4.8
★★★★★
(358411 ratings)
Delivers 1000mg of standard Vitamin C at a highly competitive price per serving ($0.046), making it a great budget-friendly option for consistent high-dose intake.
93 Budget 
C 1000 mg
21st Century
4.7
★★★★★
(27484 ratings)
Provides 1000mg of Vitamin C at a very low price per serving ($0.057), ensuring effective supplementation without the premium cost of Ester-C.
88 Value
Ester-C 24 Hour Immune Support 1000 mg
NatureSmart
4.9
★★★★★
(12141 ratings)
Offers the exact same Ester-C form and 1000mg dosage at a substantially lower price per serving ($0.08), making it the superior value choice within the Ester-C category.
95 Value
Gold C Vitamin C 1000 mg
California Gold Nutrition
4.8
★★★★★
(358411 ratings)
Delivers a potent 1000mg of standard ascorbic acid at a highly competitive price per serving ($0.046), representing an excellent value for high-dose Vitamin C.
96 Value
C 1000 mg
Swanson
4.8
★★★★★
(1596 ratings)
Provides a cost-effective 1000mg dose of standard Vitamin C ($0.041/serving), balancing strong potency with an attractive price point for everyday use.
88 Performance
Ester-C 24 Hour Immune Support 1000 mg
NatureSmart
4.9
★★★★★
(12141 ratings)
This alternative offers the same 1000mg of Ester-C but at a significantly lower price per serving ($0.08), providing comparable quality and benefits at much better value.
90 Performance
Buffered Gold C
California Gold Nutrition
4.8
★★★★★
(46051 ratings)
A high-quality buffered Vitamin C (Sodium Ascorbate) at 750mg, offering a stomach-friendly option from a reputable brand, with excellent overall value.
88 Performance
C 1000 mg with Rose Hips
21st Century
4.8
★★★★★
(4334 ratings)
Provides the same 1000mg dose with added rose hips, potentially offering enhanced benefits beyond pure Vitamin C for a well-rounded supplement.