ProHealth Longevity Longevity Collagen+, Unflavored, 690 g supplement bottle
ProHealth Longevity

Longevity Collagen+, Unflavored, 690 g

What We Researched
8 active ingredients analyzed · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
90
Product Score Excellent
78
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid) 90 mg 100%
Biotin 2 mg 6670%
Zinc (from Zinc Oxide) 23 mg 210%
Multi-Collagen Blend (Beef Collagen, Marine Collagen, Chicken Bone Broth Collagen, Eggshell Membrane) 20 g
L-Glycine 1 g
L-Proline 1 g
Hyaluronic Acid (as Sodium Hyaluronate) 250 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin C (as Ascorbic Acid) Fair
  • Biotin Good
  • Zinc (from Zinc Oxide) Poor
  • Multi-Collagen Blend (Beef Collagen, Marine Collagen, Chicken Bone Broth Collagen, Eggshell Membrane) Good
  • L-Glycine Good
  • L-Proline Good
  • Hyaluronic Acid (as Sodium Hyaluronate) Good
Other Ingredients Excellent

Fillers & Additives

No inactive ingredient data available.

Efficacy Very Good

Dosage Analysis

  • Vitamin C (as Ascorbic Acid) 90 mg Effective
  • Biotin 2 mg Effective
  • Zinc (from Zinc Oxide) 23 mg Effective
  • Multi-Collagen Blend (Beef Collagen, Marine Collagen, Chicken Bone Broth Collagen, Eggshell Membrane) 20 g Effective
  • L-Glycine 1 g Under-dosed
  • L-Proline 1 g Effective
  • Hyaluronic Acid (as Sodium Hyaluronate) 250 mg High

Supplement Facts

Ingredient Amount % Daily Value
Calories 90
Vitamin C (as Ascorbic Acid) 90 mg 100%
Biotin 2 mg 6670%
Zinc (from Zinc Oxide) 23 mg 210%
Multi-Collagen Blend (Beef Collagen, Marine Collagen, Chicken Bone Broth Collagen, Eggshell Membrane) 20 g
L-Glycine 1 g
L-Proline 1 g
Hyaluronic Acid (as Sodium Hyaluronate) 250 mg

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$70$67$64$61$58 Mar 12 $68.00$59.95
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
ProHealth Longevity

Founded 1988 · Carpinteria, CA, USA · 84 products · prohealth.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed

Violation History

2 incidents
Fda Warning Misbranded drug due to claims to treat, mitigate, cure, or prevent disease.2021-02-18Source
Lawsuit Deceptively marketing and selling a misbranded product.2021Source
Related Supplements
Frequently Asked Questions
Is ProHealth Longevity Longevity Collagen+, Unflavored a good supplement?

ProHealth Longevity Longevity Collagen+, Unflavored, 690 g received a product quality score of 90/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 8 active ingredients with 30 servings per container. The manufacturer, ProHealth Longevity, holds a brand trust score of 78/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in ProHealth Longevity Longevity Collagen+, Unflavored?

ProHealth Longevity Longevity Collagen+, Unflavored contains 8 active ingredients: Calories (90), Vitamin C (as Ascorbic Acid) (90 mg), Biotin (2 mg), Zinc (from Zinc Oxide) (23 mg), Multi-Collagen Blend (Beef Collagen, Marine Collagen, Chicken Bone Broth Collagen, Eggshell Membrane) (20 g), L-Glycine (1 g), and 2 more. Notable high-dose ingredients include Biotin at 6670% DV, Zinc at 210% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is ProHealth Longevity Longevity Collagen+, Unflavored safe to take?

ProHealth Longevity Longevity Collagen+, Unflavored, 690 g 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 ProHealth Longevity a trustworthy supplement brand?

ProHealth Longevity receives a brand trust score of 78/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1988 and headquartered in Carpinteria, CA, USA, the company offers 84 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: ProHealth Longevity has 2 historical regulatory incidents on record, which are factored into the trust score.

What is collagen?

Collagen is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

What is collagen good for?

Collagen Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

Do collagen tablets work?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

Scan Any Supplement Instantly

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

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.