Collagen Peptides, Unflavored, 19.4 oz (550 g)
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin D | 0 mcg | 0% |
| Calcium | 0 mg | 0% |
| Iron | 0.3 mg | 2% |
| Potassium | 0 mg | 0% |
| Alanine | 840 mg | — |
| Arginine | 770 mg | — |
| Aspartic Acid | 450 mg | — |
| Cysteine | 0 mg | — |
| Glutamic Acid | 1,000 mg | — |
| Glycine | 2,330 mg | — |
| Histidine | 90 mg | — |
| Hydroxylysine | 150 mg | — |
| Hydroxyproline | 1,230 mg | — |
| Isoleucine | 120 mg | — |
| Leucine | 260 mg | — |
| Lysine | 330 mg | — |
| Methionine | 90 mg | — |
| Phenylalanine | 160 mg | — |
| Proline | 1,370 mg | — |
| Serine | 340 mg | — |
| Threonine | 190 mg | — |
| Tryptophan | 0 mg | — |
| Tyrosine | 60 mg | — |
| Valine | 220 mg | — |
Bioavailability Very Good
Absorption Rating
- Vitamin D Good
- Calcium Good
- Iron Fair
- Potassium Good
- Alanine Fair
- Arginine Good
- Aspartic Acid Fair
- Cysteine Fair
- Glutamic Acid Fair
- Glycine Good
- Histidine Good
- Hydroxylysine Good
- Hydroxyproline Fair
- Isoleucine Good
- Leucine Good
- Lysine Good
- Methionine Good
- Phenylalanine Fair
- Proline Fair
- Serine Fair
- Threonine Good
- Tryptophan Good
- Tyrosine Good
- Valine Good
Other Ingredients Excellent
Fillers & Additives
- Bovine Collagen Peptides
Efficacy Very Poor
Dosage Analysis
- Vitamin D 0 mcg Under-dosed
- Calcium 0 mg Under-dosed
- Iron 0.3 mg Under-dosed
- Potassium 0 mg Under-dosed
- Arginine 770 mg Under-dosed
- Aspartic Acid 450 mg Under-dosed
- Cysteine 0 mg Under-dosed
- Glutamic Acid 1,000 mg Effective
- Glycine 2,330 mg Under-dosed
- Histidine 90 mg Under-dosed
- Hydroxylysine 150 mg Under-dosed
- Isoleucine 120 mg High
- Leucine 260 mg Under-dosed
- Lysine 330 mg Under-dosed
- Methionine 90 mg Under-dosed
- Phenylalanine 160 mg Under-dosed
- Proline 1,370 mg Effective
- Serine 340 mg Under-dosed
- Tryptophan 0 mg Under-dosed
- Tyrosine 60 mg Under-dosed
- Valine 220 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Calories | 40 | |
| Total Fat | 0 g | 0% |
| Saturated Fat | 0 g | 0% |
| Trans Fat | 0 g | |
| Cholesterol | 0 mg | 0% |
| Sodium | 35 mg | 2% |
| Total Carbohydrate | 0 g | 0% |
| Dietary Fiber | 0 g | 0% |
| Total Sugars | 0 g | |
| Includes 0 g Added Sugars | 0% | |
| Protein | 10 g | 0% |
| Vitamin D | 0 mcg | 0% |
| Calcium | 0 mg | 0% |
| Iron | 0.3 mg | 2% |
| Potassium | 0 mg | 0% |
| Alanine | 840 mg | |
| Arginine | 770 mg | |
| Aspartic Acid | 450 mg | |
| Cysteine | 0 mg | |
| Glutamic Acid | 1,000 mg | |
| Glycine | 2,330 mg | |
| Histidine | 90 mg | |
| Hydroxylysine | 150 mg | |
| Hydroxyproline | 1,230 mg | |
| Isoleucine | 120 mg | |
| Leucine | 260 mg | |
| Lysine | 330 mg | |
| Methionine | 90 mg | |
| Phenylalanine | 160 mg | |
| Proline | 1,370 mg | |
| Serine | 340 mg | |
| Threonine | 190 mg | |
| Tryptophan | 0 mg | |
| Tyrosine | 60 mg | |
| Valine | 220 mg |
Other Ingredients
Bovine Collagen Peptides Generally_safe
Price Comparison
Price History
Tracked across major retailers. Updated periodically.
Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.
Is Primal Kitchen Collagen Peptides, Unflavored a good supplement?
Primal Kitchen Collagen Peptides, Unflavored, 19.4 oz (550 g) received a product quality score of 73/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 35 active ingredients Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Primal Kitchen, holds a brand trust score of 61/100 with 3 verified certifications including Gluten Free Gfco, Non Gmo Project, Usda Organic.
What are the ingredients in Primal Kitchen Collagen Peptides, Unflavored?
Primal Kitchen Collagen Peptides, Unflavored contains 35 active ingredients: Calories (40), Total Fat (0 g), Saturated Fat (0 g), Trans Fat (0 g), Cholesterol (0 mg), Sodium (35 mg), and 29 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Primal Kitchen Collagen Peptides, Unflavored safe to take?
Primal Kitchen Collagen Peptides, Unflavored, 19.4 oz (550 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 Primal Kitchen a trustworthy supplement brand?
Primal Kitchen receives a brand trust score of 61/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2015 and headquartered in Chicago, IL, USA, the company offers 7 products in their lineup. They hold 3 verified certifications including Gluten Free Gfco, Non Gmo Project, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Primal Kitchen 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.