NOW Foods AlphaSorb-C 500, 180 Veg Capsules supplement bottle
NOW Foods

AlphaSorb-C 500, 180 Veg Capsules

What We Researched
8 active ingredients analyzed · 4 inactive ingredients decoded · 7 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
77
Product Score Fair
100
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (from Threonic Acid Enhanced Buffered Calcium Ascorbate) 500 mg 556%
Calcium (from Buffered Calcium Ascorbate) 60 mg 5%
Transport C-Plus® (Trademarked blend of Threonic Acid Enhanced Buffered Calcium Ascorbate and Alpha Lipoic Acid) 650 mg †
Alpha Lipoic Acid 40 mg †
Citrus Bioflavonoid Complex 100 mg †
Acerola Powder (Malpighia punicifolia) (Fruit) 25 mg †
Rose Hips Powder (Rosa canina) (Fruit) 25 mg †
Rutin Powder (Sophora japonica) (Flower Bud) 25 mg †
Bioavailability Good

Absorption Rating

  • Vitamin C (from Threonic Acid Enhanced Buffered Calcium Ascorbate) Good
  • Calcium (from Buffered Calcium Ascorbate) Good
  • Transport C-Plus® (Trademarked blend of Threonic Acid Enhanced Buffered Calcium Ascorbate and Alpha Lipoic Acid) Fair
  • Alpha Lipoic Acid Fair
  • Acerola Powder (Malpighia punicifolia) (Fruit) Good
  • Rose Hips Powder (Rosa canina) (Fruit) Fair
  • Rutin Powder (Sophora japonica) (Flower Bud) Fair
Other Ingredients Excellent

Fillers & Additives

  • Cellulose (Capsule)
  • Cellulose Powder
  • Stearic Acid (Vegetable Source)
  • Magnesium Stearate (Vegetable Source) and Silica
Efficacy Poor

Dosage Analysis

  • Vitamin C (from Threonic Acid Enhanced Buffered Calcium Ascorbate) 500 mg Effective
  • Calcium (from Buffered Calcium Ascorbate) 60 mg Under-dosed
  • Transport C-Plus® (Trademarked blend of Threonic Acid Enhanced Buffered Calcium Ascorbate and Alpha Lipoic Acid) 650 mg High
  • Alpha Lipoic Acid 40 mg Under-dosed
  • Acerola Powder (Malpighia punicifolia) (Fruit) 25 mg Under-dosed
  • Rose Hips Powder (Rosa canina) (Fruit) 25 mg Under-dosed
  • Rutin Powder (Sophora japonica) (Flower Bud) 25 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (from Threonic Acid Enhanced Buffered Calcium Ascorbate) 500 mg 556%
Calcium (from Buffered Calcium Ascorbate) 60 mg 5%
Transport C-Plus® (Trademarked blend of Threonic Acid Enhanced Buffered Calcium Ascorbate and Alpha Lipoic Acid) 650 mg †
Alpha Lipoic Acid 40 mg †
Citrus Bioflavonoid Complex 100 mg †
Acerola Powder (Malpighia punicifolia) (Fruit) 25 mg †
Rose Hips Powder (Rosa canina) (Fruit) 25 mg †
Rutin Powder (Sophora japonica) (Flower Bud) 25 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose (Capsule) Safe

It is used to encapsulate supplement ingredients.

Cellulose Powder Safe

Adds bulk and improves flow during manufacturing.

Stearic Acid (Vegetable Source) Generally_safe

It is used as a lubricant and release agent.

Magnesium Stearate (Vegetable Source) and Silica Generally_safe

It is used to improve powder flow during manufacturing.

Price Comparison

Vitacost $19.59
Best Price
iHerb $23.20
Target $23.99

Price History

Tracked across major retailers. Updated periodically.

$25$23$21$19$18 Mar 12 $23.00$19.59
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NOW Foods

Founded 1968 · Bloomingdale, Illinois, USA · 996 products · nowfoods.com

Certifications

7 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Labdoor Verified Source
Non Gmo Project Verified Source
Npa Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

7 incidents
Lawsuit Mislabeled St. John's Wort supplement, containing significantly less of the active ingredient than advertised.NoneSource
Lawsuit A data breach that compromised personal and health information of employees and dependents.2023Source
Prop 65 Lead2021-11-30Source
Recall NOW Real Food® Raw Macadamia Nuts2020-06-12Source
Recall NOW Real Food® Zesty Sprouting Mix2018-06-21Source
Lawsuit Misleadingly using slack-fill packaging for their Vitamin C supplements.2015Source
Fda Warning Adulterated Dietary Supplement due to pesticide (quintozene) contamination in American Ginseng.2007-10-12Source
Related Supplements
NOW Foods Eggshell Membrane, 500 mg, 60 Capsules
NOW Foods Eggshell Membrane, 500 mg, 60 Capsules
Product 100 Brand 100
NOW Foods Sports, D-Ribose Powder, 1 lb (454 g)
NOW Foods Sports, D-Ribose Powder, 1 lb (454 g)
Product 100 Brand 100
NOW Foods Sports, D-Ribose Powder, 8 oz (227 g)
NOW Foods Sports, D-Ribose Powder, 8 oz (227 g)
Product 100 Brand 100
NOW Foods Vitamin D3, 1000 IU
NOW Foods Vitamin D3, 1000 IU
Product 100 Brand 100
NOW Foods Chromium Picolinate, 200 mcg
NOW Foods Chromium Picolinate, 200 mcg
Product 100 Brand 100
NOW Foods NOW Foods Ashwagandha Extract 450 mg 180 Capsule
NOW Foods NOW Foods Ashwagandha Extract 450 mg 180 Capsule
Product 100 Brand 100
Frequently Asked Questions
Is NOW Foods AlphaSorb-C 500, 180 Veg Capsules a good supplement?

NOW Foods AlphaSorb-C 500, 180 Veg Capsules received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 8 active ingredients Of the 4 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, NOW Foods, holds a brand trust score of 100/100 with 7 verified certifications including Consumerlab, Informed Sport, Labdoor, Non Gmo Project.

What are the ingredients in NOW Foods AlphaSorb-C 500, 180 Veg Capsules?

NOW Foods AlphaSorb-C 500, 180 Veg Capsules contains 8 active ingredients: Vitamin C (from Threonic Acid Enhanced Buffered Calcium Ascorbate) (500 mg), Calcium (from Buffered Calcium Ascorbate) (60 mg), Transport C-Plus® (Trademarked blend of Threonic Acid Enhanced Buffered Calcium Ascorbate and Alpha Lipoic Acid) (650 mg), Alpha Lipoic Acid (40 mg), Citrus Bioflavonoid Complex (100 mg), Acerola Powder (Malpighia punicifolia) (Fruit) (25 mg), and 2 more. Notable high-dose ingredients include Vitamin C at 556% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Foods AlphaSorb-C 500, 180 Veg Capsules safe to take?

NOW Foods AlphaSorb-C 500, 180 Veg Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NOW Foods a trustworthy supplement brand?

NOW Foods receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 996 products in their lineup. They hold 7 verified certifications including Consumerlab, Informed Sport, Labdoor, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NOW Foods has 7 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Download on App Store Browse All Supplements
Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.