NOW

Shark Cartilage Review

Q: Is NOW Shark Cartilage a good supplement?

NOW Shark Cartilage received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 6 active ingredients with 16 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 ingredients are flagged for review. The manufacturer, NOW, holds a brand trust score of 100/100.

Q: What are the ingredients in NOW Shark Cartilage?

NOW Shark Cartilage contains 6 active ingredients: Calories (10), Total Carbohydrate (1 g), Protein (2 g), Calcium (1,000 mg), Sodium (55 mg), Shark Cartilage (with natural mucopolysaccharides) (4,500 mg) (4.5 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Q: Is NOW Shark Cartilage safe to take?

GoodSupp reviewed the inactive-ingredient data available for NOW Shark Cartilage. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Q: Is NOW a trustworthy supplement brand?

NOW 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 1759 products in their lineup. Note: NOW has 8 historical regulatory incidents on record, which are factored into the trust score.

What We Researched

6 active ingredients analyzed · 6 inactive ingredients decoded · 9 brand certifications checked · Page generated: Sep 2026

Product Score Excellent

100

Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

Ingredient	Amount	% DV
Calcium	1,000 mg	77%
Shark Cartilage (with natural mucopolysaccharides) (4,500 mg)	4.5 g	†

Bioavailability Very Good

Absorption Rating

Calcium Good
Shark Cartilage (with natural mucopolysaccharides) (4,500 mg) Fair

Other Ingredients Excellent

Fillers & Additives

Gelatin
Cellulose
Vegetable Magnesium Stearate
Vegetable Stearic Acid
Riboflavin (natural source
Silica

Efficacy Excellent

Dosage Analysis

Calcium 1,000 mg Effective

Supplement Facts

Ingredient	Amount	% Daily Value
Calories	10
Total Carbohydrate	1 g	<1%*
Protein	2 g	4%*
Calcium	1,000 mg	77%
Sodium	55 mg	2%
Shark Cartilage (with natural mucopolysaccharides) (4,500 mg)	4.5 g	†

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Vegetable Stearic Acid Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Riboflavin (natural source Unknown

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report

Certifications

9 certifications

Informed Sport Source available Primary evidence

Npa Gmp Source available Primary evidence

Consumerlab Source available Primary evidence

Labdoor Source available Primary evidence

Fda Gmp Inspections Source available Primary evidence

Non Gmo Project Source available Primary evidence

Usda Organic Source available Primary evidence

Vegan Certified Source available Primary evidence

Informed Choice Supporting evidence unavailable checked 2026-05-05

Transparency

5 claims

Coa Availability — Verified Evidence available Evidence

Third Party Testing Claim — Verified Evidence available Evidence

Testing Lab Disclosure — Claimed Brand claim; evidence unavailable

In House Testing — Verified Evidence available Evidence

Violation History

8 incidents

Lawsuit Mislabeled St. John's Wort supplement, containing significantly less of the active ingredient than advertised.None Source available Primary source

Lawsuit A data breach that compromised personal and health information of employees and dependents.2023 Source available Primary source

Prop 65 Lead2021-11-30 Source available Primary source

Recall NOW Real Food® Raw Macadamia Nuts2020-06-12 Source available Primary source

Recall NOW Real Food® Zesty Sprouting Mix2018-06-21 Source available Primary source

Lawsuit Misleadingly using slack-fill packaging for their Vitamin C supplements.2015 Source available Primary source

Fda Warning Adulterated Dietary Supplement due to pesticide (quintozene) contamination in American Ginseng.2007-10-12 Source available Primary source

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Frequently Asked Questions

Is NOW Shark Cartilage a good supplement?

NOW Shark Cartilage received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 6 active ingredients with 16 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 ingredients are flagged for review. The manufacturer, NOW, holds a brand trust score of 100/100.

What are the ingredients in NOW Shark Cartilage?

NOW Shark Cartilage contains 6 active ingredients: Calories (10), Total Carbohydrate (1 g), Protein (2 g), Calcium (1,000 mg), Sodium (55 mg), Shark Cartilage (with natural mucopolysaccharides) (4,500 mg) (4.5 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Shark Cartilage safe to take?

GoodSupp reviewed the inactive-ingredient data available for NOW Shark Cartilage. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NOW a trustworthy supplement brand?

NOW 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 1759 products in their lineup. Note: NOW has 8 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. 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.