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Buffered Vitamin C Comparison - August 2025
| 1 Best Choice  9.8Exceptional | 2  9.7Exceptional | 3 Best Value  9.6Exceptional | 4  9.5Excellent | 5  9.3Excellent |
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ModelCountry Life Buffered Vitamin C 1000mg with Bioflavonoids, Calcium, Magnesium, Potassium - Immune Support, Vegan Capsules, Gluten-Free, Gentle on Stomach - 250 Tablets | Model Integrative Therapeutics Buffered Vitamin C Capsules 1,000 mg - Immune Support Supplement* - Antioxidant Support* - Gentle Formula - Gluten Free - 60 Vegan Capsules | Model NOW Foods Supplements, Vitamin C-1000 Complex with 250 mg of Bioflavonoids, Buffered, Antioxidant Protection*, 180 Tablets | Model Pure Encapsulations Buffered Ascorbic Acid Capsules | Vitamin C for Sensitive Individuals* | 90 Capsules | Model THORNE Buffered C Powder - Vitamin C (Ascorbic Acid) with Calcium, Magnesium, and Potassium - 8.32 Oz |
BrandCountry Life | Brand Integrative Therapeutics | Brand NOW Foods | Brand Pure Encapsulations | Brand THORNE |
Reviews | Reviews | Reviews | Reviews  | Reviews |
Tech Specs | ||||
product dimensions3.3 x 3.3 x 6.2 inches 12.31 ounces | product dimensions 2.02 x 2.02 x 4.02 inches 3.52 ounces | product dimensions 3 x 3 x 5.4 inches 3.36 ounces | product dimensions 4.49 x 2.52 x 2.5 inches 4.8 ounces | product dimensions 3.5 x 3.5 x 4 inches 8.32 ounces |
Available On  | Available On  | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1Country LifeCountry Life Buffered Vitamin C 1000mg with Bioflavonoids, Calcium, Magnesium, Potassium - Immune Support, Vegan Capsules, Gluten-Free, Gentle on Stomach - 250 Tablets
Main highlights- VEGAN AND ORGANIC - Our product is vegan-friendly and made with organic ingredients, catering to those with dietary preferences and looking for clean supplementation.
- IMMUNE SUPPORT - Our Buffered Vitamin C 1000mg is a powerful antioxidant that supports immune health, helping you stay resilient against everyday challenges.
- HIGH POTENCY - Each capsule delivers 1000mg of Vitamin C with bioflavonoids, ensuring you receive a potent dose for maximum efficacy.
- BUFFERED WITH CALCIUM, MAGNESIUM, & POTASSIUM - Includes natural alkaline minerals to buffer excess acidity, making the Vitamin C gentle on your stomach and reducing discomfort.
- AUTHENTICITY OF INGREDIENTS - We ethically source our ingredients in their purest forms and conduct extensive laboratory testing to ensure the highest quality and effectiveness for our customers.
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9.7
2Integrative Therapeutics
Integrative Therapeutics Buffered Vitamin C Capsules 1,000 mg - Immune Support Supplement* - Antioxidant Support* - Gentle Formula - Gluten Free - 60 Vegan Capsules
Why we love it
High vitamin C content.
Gentle on the stomach.
Vegan and allergen-free.
Main highlights- Supports a healthy immune system.* Excellent source of antioxidant support with 1,000 mg vitamin C per serving.*
- Integrative Therapeutics supplements are trusted by physicians and backed by science. Every product is held to our high standards and rigorously tested to empower you on your wellness journey. Because confidence is healthy.
- Helps maintain healthy skin, collagen, and connective tissues.*
- Gluten-free and vegan. No dairy, salt, soy, wheat, or artificial colors or flavors.
- Ascorbic acid with buffered ingredients is well-tolerated.
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9.6
3NOW Foods
NOW Foods Supplements, Vitamin C-1000 Complex with 250 mg of Bioflavonoids, Buffered, Antioxidant Protection*, 180 Tablets
Main highlights- VEGAN TABLETS/WITH 250 MG BIOFLAVONOIDS: Supplies calcium ascorbate, a buffered form of vitamin C that is bioavailable and non-acidic, and enhanced with bioflavonoids, which work synergistically with vitamin C.*
- Packaged in the USA by a family owned and operated company since 1968
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
- CERTIFICATIONS/CLASSIFICATIONS: Soy Free, Non-GMO, Vegan/Vegetarian, Nut Free, Made without Gluten, Dairy Free, Egg Free, Kosher, Low Sodium
- ANTIOXIDANT PROTECTION*: A highly effective antioxidant that can help maintain healthy tissues by neutralizing free radicals generated during normal metabolism and exposure to environmental stressors.*
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
