Meta-C 1000 mg Tablets
NutriBiotic Immunity
Meta-C 1000 mg Tablets
4.9
★ ★ ★ ★ ★
(356 ratings)
Vitamin C 1000 mg
Score 92.0
An advanced 1000mg Vitamin C with Meta-C for bioavailability, enhanced by Spirulina for comprehensive immune and health support, offering great value for its unique blend.
Quantity: 250 Tablet(s)Servings size: 1 Tablet(s) (250 servings)
Selected goals:
Other goals:
Immunity
General Health
Skin Health
Anti-Aging
Anti-Inflammatory Support
leaderboard Score 92.0
An advanced 1000mg Vitamin C with Meta-C for bioavailability, enhanced by Spirulina for comprehensive immune and health support, offering great value for its unique blend.
insights Analysis
This product features 1000mg of Vitamin C in its proprietary 'Meta-C' form, which, similar to Ester-C, is marketed for enhanced bioavailability and gentleness on the digestive system. A significant differentiator is the inclusion of 310mg of Spirulina, a powerhouse of nutrients, antioxidants, and immune-modulating compounds, further boosting its health benefits beyond standard Vitamin C. This multi-pronged approach makes it highly appealing for comprehensive wellness and immune strengthening. Online reviews commend its effectiveness for immune support and overall vitality. Nutritionists would appreciate its advanced formulation and the added benefits of Spirulina.
- High 1000mg dose of Vitamin C in a potentially more bioavailable 'Meta-C' form, gentle on the stomach.
- Significant addition of Spirulina (310mg), providing a broad spectrum of nutrients and immune-modulating benefits.
- Competitive price per serving for its advanced formulation and added superfood.
- Offers comprehensive support beyond basic Vitamin C.
- While 'Meta-C' is proprietary, the specific bioavailability benefits compared to other buffered/enhanced forms might be less studied than Ester-C.
- The spirulina might not be desired by all users or might cause minor digestive adjustments in some.
- Individuals with specific allergies or sensitivities to Spirulina should exercise caution.
$31.79($0.12 per serving)
 iHerb | $ 31.79 | |
 Vitacost | $ 39.79 |
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 | 128 mg |
Biologically Active Metabolites and Dehydroascorbic Acid | 112 mg |
Spirulina | 310 mg |
Categories
Vitamin C 92.0
A standout product in the Vitamin C category, providing a high-dose, bioavailable form complemented by a significant superfood, offering comprehensive benefits beyond typical Vitamin C supplements.
Goals
Immunity 95.0
Exceptional for immunity due to the high dose of bioavailable Vitamin C combined with the broad immune-modulating and nutrient-rich properties of Spirulina.
General Health 95.0
Provides outstanding general health support by combining potent Vitamin C benefits with the comprehensive nutritional profile and detoxifying effects of Spirulina.
Offers robust anti-inflammatory support, benefiting from both Vitamin C's direct effects and Spirulina's known anti-inflammatory and detoxification properties.
Recommended Alternatives
90 Value 
C-500 Calcium Ascorbate-C
NOW
4.9
★★★★★
(6730 ratings)
Provides a stomach-friendly buffered Vitamin C with bioflavonoids at a dramatically lower price per serving, offering excellent value for a high-quality, gentle supplement.
88 Value 
Buffered Gold C
California Gold Nutrition
4.8
★★★★★
(46051 ratings)
Delivers a potent 750mg dose of buffered Vitamin C from a highly trusted brand at a significantly lower price, offering superior value for digestive comfort compared to Meta-C.
90 Value 
Ester-C 500 mg With Citrus Bioflavonoids
American Health
4.9
★★★★★
(2234 ratings)
Offers the premium Ester-C form with a high dose of bioflavonoids, providing a superior absorption profile and comprehensive benefits, justifying its higher cost for optimal effectiveness.
90 Performance
Ester-C 500 mg With Citrus Bioflavonoids
American Health
4.9
★★★★★
(2234 ratings)
Features Ester-C, a clinically researched buffered form known for superior absorption and 24-hour retention, making it a well-regarded alternative for enhanced Vitamin C delivery compared to Meta-C.
85 Performance 
BioCgel
Natural Factors
4.8
★★★★★
(198 ratings)
Offers Vitamin C as Calcium Ascorbate in a softgel form, along with citrus bioflavonoids and a BerryRich blend, providing a comprehensive and stomach-friendly option with different co-factors.
80 Performance 
Truly Natural Vitamin C
HealthForce SuperFoods
4.7
★★★★★
(609 ratings)
A whole-food derived Vitamin C, providing a full spectrum of naturally occurring co-factors, appealing to those seeking a purely natural approach and willing to pay a premium for it.
90 Budget
C-500 Calcium Ascorbate-C
NOW
4.9
★★★★★
(6730 ratings)
Offers a stomach-friendly buffered Vitamin C with bioflavonoids at a dramatically lower price per serving, providing a more economical premium option.
88 Budget
Buffered Gold C
California Gold Nutrition
4.8
★★★★★
(46051 ratings)
Provides a potent dose of buffered Vitamin C from a highly trusted brand at a more competitive price, offering excellent value for digestive comfort.
85 Budget 
Vitamin C 1000 mg Tablets
NutriBiotic Immunity
4.7
★★★★★
(1365 ratings)
Offers a high 1000mg dose of Vitamin C from the same reputable brand at a significantly lower price point, albeit in a standard ascorbic acid form.
90 Value
C-500 Calcium Ascorbate-C
NOW
4.9
★★★★★
(6730 ratings)
Provides a stomach-friendly buffered Vitamin C with bioflavonoids at a dramatically lower price per serving, offering excellent value for a high-quality, gentle supplement.
88 Value
Buffered Gold C
California Gold Nutrition
4.8
★★★★★
(46051 ratings)
Delivers a potent 750mg dose of buffered Vitamin C from a highly trusted brand at a significantly lower price, offering superior value for digestive comfort compared to Meta-C.
90 Value
Ester-C 500 mg With Citrus Bioflavonoids
American Health
4.9
★★★★★
(2234 ratings)
Offers the premium Ester-C form with a high dose of bioflavonoids, providing a superior absorption profile and comprehensive benefits, justifying its higher cost for optimal effectiveness.
90 Performance
Ester-C 500 mg With Citrus Bioflavonoids
American Health
4.9
★★★★★
(2234 ratings)
Features Ester-C, a clinically researched buffered form known for superior absorption and 24-hour retention, making it a well-regarded alternative for enhanced Vitamin C delivery compared to Meta-C.
85 Performance
BioCgel
Natural Factors
4.8
★★★★★
(198 ratings)
Offers Vitamin C as Calcium Ascorbate in a softgel form, along with citrus bioflavonoids and a BerryRich blend, providing a comprehensive and stomach-friendly option with different co-factors.
80 Performance
Truly Natural Vitamin C
HealthForce SuperFoods
4.7
★★★★★
(609 ratings)
A whole-food derived Vitamin C, providing a full spectrum of naturally occurring co-factors, appealing to those seeking a purely natural approach and willing to pay a premium for it.