Ester-C 500 mg with Citrus Bioflavonoids
American Health
Ester-C 500 mg with Citrus Bioflavonoids
4.9
★ ★ ★ ★ ★
(16169 ratings)
Vitamin C 1000 mg
Score 95.0
A premium Vitamin C with patented Ester-C for superior absorption and gentleness, plus bioflavonoids for enhanced benefits, highly praised by users.
Quantity: 90 Tablet(s)Servings size: 2 Vegetarian Tablet(s) (45 servings)
Selected goals:
Other goals:
General Health
Heart Health
Anti-Aging
Cardiovascular Support
Immunity
leaderboard Score 95.0
A premium Vitamin C with patented Ester-C for superior absorption and gentleness, plus bioflavonoids for enhanced benefits, highly praised by users.
insights Analysis
This product features Ester-C, a unique, patented form of Vitamin C that includes naturally occurring metabolites. It's renowned for its enhanced absorption and retention in the body, often marketed for '24-hour immune support' and its non-acidic nature, making it very gentle on the stomach. The inclusion of a significant 400mg of Citrus Bioflavonoids further amplifies its antioxidant and synergistic benefits. Despite the product name '500 mg', the ingredients clearly list 1000mg of Vitamin C per serving from Ester-C, which offers a robust dose. Its overwhelmingly positive and extensive online reviews attest to its perceived effectiveness and reliability. Nutritionists widely regard Ester-C as a superior form of Vitamin C for those prioritizing bioavailability and gastric comfort.
- Utilizes patented Ester-C for enhanced absorption and 24-hour immune support claims.
- Non-acidic Ester-C is exceptionally gentle on the stomach, ideal for sensitive individuals.
- Contains substantial Citrus Bioflavonoids (400mg) for synergistic antioxidant and absorption benefits.
- Very high dose of Vitamin C (1000mg per ingredients list) for comprehensive support.
- Massive review count indicates exceptional consumer trust and satisfaction.
- Higher price per serving compared to basic ascorbic acid products, reflecting its premium formulation.
- Discrepancy between product name (500mg) and ingredient list (1000mg) could cause confusion.
- Consumers should note the actual dosage in the ingredients list (1000mg) if the product name '500mg' is misleading.
$9.58($0.21 per serving)
 iHerb | $ 9.58 | |
 Vitacost | $ 9.59 | |
 Daily Vita | $ 10.54 |
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 | 1000 mg |
Calcium | 110 mg |
Citrus Bioflavonoids Complex | 400 mg |
Categories
Vitamin C 95.0
One of the best Vitamin C products available, setting a high standard for bioavailability, gastric comfort, and synergistic benefits within the category.
Goals
Immunity 98.0
Exceptional for immunity due to the highly bioavailable Ester-C form and synergistic bioflavonoids, providing sustained immune support and superior antioxidant defense.
General Health 97.0
Provides robust general health benefits with its gentle and highly absorbable Vitamin C combined with beneficial bioflavonoids for overall wellness.
The gentle, highly absorbable Ester-C coupled with bioflavonoids offers strong anti-inflammatory support without gastric irritation, making it ideal for consistent use.
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