Zena Liquid Collagen - 60 Servings, 20.3 fl oz supplement bottle
Zena

Liquid Collagen - 60 Servings, 20.3 fl oz

What We Researched
8 active ingredients analyzed · 8 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
87
Product Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Biotin 5000 mcg 16667%
Calcium 3 mg <1%
Verisol® Bioactive Collagen Peptides 2500 mg *
Bioavailability Excellent

Absorption Rating

  • Biotin Good
  • Calcium Good
  • Verisol® Bioactive Collagen Peptides Good
Other Ingredients Very Good

Fillers & Additives

  • Purified Water
  • Natural Flavor
  • Malic Acid
  • Citric Acid
  • Monk fruit extract (lou han guo)
  • Sodium Benzoate (Preservative) Medium
  • Potassium Sorbate (Preservative)
  • Stevia Leaf Extract
Efficacy Good

Dosage Analysis

  • Biotin 5000 mcg Effective
  • Calcium 3 mg Under-dosed
  • Verisol® Bioactive Collagen Peptides 2500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrate 0 g 0%
Total Sugars 0 g
Protein 2 g
Biotin 5000 mcg 16667%
Calcium 3 mg <1%
Sodium 15 mg <1%
Verisol® Bioactive Collagen Peptides 2500 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Natural Flavor Safe

Improves taste of chewable, gummy, or liquid supplements.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Monk fruit extract (lou han guo) Unknown
Sodium Benzoate (Preservative) Generally_safe

It is used to prevent microbial growth.

Potassium Sorbate (Preservative) Generally_safe

It is used as a preservative to prevent the growth of mold and yeast.

Stevia Leaf Extract Safe

Provides sweetness without calories or blood sugar impact.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$37$36$35$34$33 Mar 12 $34.99
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
Zena

Founded 2023 · 8 products · zenanutrition.com/

Transparency

2 claims
Third Party Testing Claim — Claimed Source
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Frequently Asked Questions
Is Zena Liquid Collagen - 60 Servings, 20.3 fl oz a good supplement?

Zena Liquid Collagen - 60 Servings, 20.3 fl oz received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 8 active ingredients with 60 servings per container. Of the 8 inactive ingredients, 5 are rated safe and 0 are flagged for review.

What are the ingredients in Zena Liquid Collagen - 60 Servings, 20.3 fl oz?

Zena Liquid Collagen - 60 Servings, 20.3 fl oz contains 8 active ingredients: Calories (10), Total Carbohydrate (0 g), Total Sugars (0 g), Protein (2 g), Biotin (5000 mcg), Calcium (3 mg), and 2 more. Notable high-dose ingredients include Biotin at 16667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Zena Liquid Collagen - 60 Servings, 20.3 fl oz safe to take?

Zena Liquid Collagen - 60 Servings, 20.3 fl oz 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.

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.

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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. 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.