Vital Proteins Marine Collagen Unflavored 7.8 oz
Marine Collagen · Unflavored · 221 g
Fish collagen 12 g; declared protein 11 g per label serving.
- Amount
- Fish collagen 12 g; declared protein 11 g
- Format
- Powder
- Review basis
- Label-based analysis
Good fit
People who specifically prefer fish-derived collagen.
Consider another option
You have a fish allergy.
The product, at a glance
Amounts for the reviewed label serving.
- Reviewed variant
- Marine Collagen · Unflavored · 221 g
- Label serving
- 3 level tablespoons (12 g)
- Servings per reviewed pack
- ~18
- Ingredients per label serving
- Fish collagen 12 g; declared protein 11 g
- Other ingredients
- Fish collagen peptides; no additional ingredients listed
- Ingredients & allergens
- Fish collagen; contains fish
Label sources & rating context
~ means approximate; — means no published value in this record. Customer ratings are the named publisher’s snapshot and may include multiple sizes or earlier formulas. The Supplement Explained Score is our source-reviewed editorial assessment out of 25, separate from customer stars. Compare the five criteria and the same intended use; the total is not a clinical ranking. Prices are dated USD offer snapshots; cost uses the reviewed pack and label serving.
- Label clarity: 5/5
- Evidence transfer: 3/5
- Safety fit: 3/5
- Quality proof: 2/5
- Value fit: 3/5
On this pageTable of Contents
- 1Supplement Explained Score
- 2Label facts at a glance
- 3What does the formula actually tell you?
- 4What benefits does the evidence establish?
- 5How does it compare with other collagen formats?
- 6How should you measure and use it?
- 7Who should skip it or check with a clinician?
- 8What does the sourcing claim say about quality?
- 9How should you calculate price and value?
- 10FAQ
Our editorial assessment
Supplement Explained Score
16/25
Vital Proteins Marine Collagen Unflavored 7.8 oz · Marine Collagen · Unflavored · 221 g
Five equally weighted criteria, with a product-specific reason for every point. This is a buying-decision assessment, separate from customer stars and personal medical suitability.
- Label clarity 5/5
- Reviewed Marine Collagen · Unflavored · 221 g: 3 level tablespoons (12 g); ~18 label servings. Fish collagen 12 g; declared protein 11 g.
- Evidence transfer 3/5
- Marine collagen skin findings are mixed; fish sourcing does not establish better outcomes than bovine collagen.
- Safety fit 3/5
- Fish allergy and animal-source restrictions are clear limits; collagen is not a complete-protein substitute.
- Quality proof 2/5
- The 221 g label is matched, but an independent finished-tub purity or heavy-metals result was not verified.
- Value fit 3/5
- About 18 servings of 12 g are identifiable; source preference, rather than a proven marine premium, drives value.
Review basis: Published labels, manufacturer/retailer information, clinical sources and exact-product quality records where available. We did not buy, personally use or laboratory-test this product for this assessment.
Reviewed · Method v2.0 · How we assign points
Sources behind this score
- Manufacturer
- 2025 collagen skin-aging review: study quality and funding
- 2025 collagen hydration/elasticity meta-analysis
Product labels and independent directory records identify a formula or testing scope. Clinical references concern ingredients or studied regimens unless the explanation explicitly matches the finished formula.
What does the formula actually tell you?
Vital Proteins Marine Collagen Unflavored is fish-derived collagen powder labeled for 12 g of marine collagen per serving. This review covers the 7.8-oz (221-g) version, product identifier B0CKXPZ4M4.
The label makes a wild-caught sourcing claim. That identifies a sourcing characteristic, not a clinical advantage. Fish-derived collagen is not vegan, and the fish source matters for anyone with a fish allergy.
The 221 g figure is the container’s net weight, not a verified total collagen amount. The confirmed information does not establish the powder weight per serving, servings per container or fish species. Check the complete ingredient list and directions on the package you receive. Consumer packaging can change, and unflavored does not necessarily mean a one-ingredient formula.
What benefits does the evidence establish?
The available sources do not establish a specific skin, hair, nail or joint benefit from this product, or show that its fish source makes it more effective than bovine collagen.
The NIH Office of Dietary Supplements fact sheet on exercise and athletic performance discusses protein’s role in muscle maintenance and repair and the importance of overall nutrition. It is not a clinical trial of this Marine Collagen formula and should not be used as proof of cosmetic benefits.
The labeled 12 g tells you the collagen amount, not whether it is an effective dose for every proposed use. These limits do not prove the product has no benefit; they mean a reliable outcome or timeline cannot be promised from the label. For exercise nutrition, assess your overall diet rather than assuming collagen alone addresses your protein needs.
A 2025 review found no significant skin benefits in higher-quality trials. It did not test this exact product.
How does it compare with other collagen formats?
Marine Collagen’s clearest distinction is its fish-derived source; the practical comparison is whether that source and a measured powder fit your needs better than another powder or capsules.
Vital Proteins Collagen Peptides Unflavored 20 oz is another unflavored powder option in a differently sized container. Consider it if marine sourcing is not essential. Verify its current animal source, ingredients and collagen grams per serving before comparing formulas. A larger tub does not automatically mean a larger serving or better value.
Vital Proteins Collagen Peptides 360 Capsules offers a capsule format instead of loose powder. Its practical appeal is avoiding powder preparation, provided the required capsule count suits you. The 360 count is not necessarily 360 servings. Compare capsules per serving and labeled collagen grams, not capsule count against container weight. There is no justified winner without those current label details and your source preference.
Vital Proteins Collagen Peptides Unflavored 20 oz
Single-ingredient bovine powder with 20 g collagen per labeled serving.
Check price at Amazon
Vital Proteins Collagen Peptides Advanced Unflavored
20 g collagen with vitamin C and hyaluronic acid; compare the extras with plain powder.
Check price at AmazonAffiliate links: we may earn a commission if you buy. Check the selected size, seller and current label on Amazon.
How should you measure and use it?
Follow the current package’s measurement and preparation directions; 12 g of collagen per serving should not be treated as instructions to weigh 12 g of powder.
If the label supplies a serving weight in grams, a kitchen scale can help measure that amount. Do not substitute a guessed teaspoon or scoop size. Use a food or beverage permitted by the directions that fits your routine.
Unflavored does not guarantee that everyone will find it tasteless or that it will dissolve equally well in every drink. The cited evidence also does not establish that morning, evening or an empty stomach produces better results with this product.
Who should skip it or check with a clinician?
Skip this product if you have a fish allergy or need a vegan supplement. A wild-caught claim does not remove the relevance of its fish source.
If you are pregnant, breastfeeding or following medical instructions that restrict protein or particular ingredients, check with your clinician before adding it. Review the full ingredient and allergen information rather than relying on the product name.
Do not use collagen as a substitute for assessment of persistent skin, joint or other health concerns. If a supplement causes symptoms, stop using it and seek appropriate medical advice rather than increasing the amount or continuing to test your tolerance.
What does the sourcing claim say about quality?
The wild-caught claim does not establish contaminant levels, independent testing or the quality of an individual batch. Source information and test results answer different questions.
This is a label-based review, not hands-on testing. It does not verify taste, mixing performance or a lot-specific certificate of analysis.
For testing reassurance, ask for a report matching the product and lot number on your container. Look for the substances measured, results, reporting limits and laboratory identity. The collagen and heavy metals guide explains what to check. Missing test information in this review is not evidence that the product is contaminated.
How should you calculate price and value?
Compare cost per gram of labeled collagen, not cost per ounce of powder or container size. For this formula, use 12 g multiplied by the current label’s servings per container as the denominator.
Cost per gram of collagen = purchase price ÷ (servings per container × collagen grams per serving).
For illustration only, a hypothetical collagen powder costing $30, with 25 servings containing 10 g collagen each, provides 250 g of labeled collagen. That works out to $1.20 per serving and $0.12 per gram. These are hypothetical arithmetic inputs, not this product’s price or label.
Do not divide this Marine Collagen’s price by 221 g and call that its collagen cost. Without a verified serving count, its cost per gram remains unknown. Use the same treatment of shipping, tax and discounts across products. The cost-per-gram calculator can help organize the arithmetic, but the nutrient amount must match what you are comparing. A lower cost matters only if the source, ingredients and format also suit you.
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FAQ
Is marine collagen vegan?
No. This product’s collagen is fish-derived. Marine describes its source; it does not mean plant-based. If you need a vegan product, this formula is not suitable.
Can someone with a fish allergy take this product?
Do not choose this fish-derived product if you have a fish allergy. Neither the wild-caught claim nor the unflavored format changes that precaution.
Does unflavored mean it will be tasteless in coffee?
No. Unflavored identifies the variant, not a guaranteed sensory result. Follow the preparation directions, and do not assume every beverage will hide its taste or produce the same mixing result.
How long should it take to improve skin?
A reliable timeline cannot be established from the current label and scientific reference. They do not provide a product-specific skin trial, so a promise of results within a particular number of weeks would be unsupported.
Can I calculate servings by dividing 221 g by 12 g?
No. The 221 g is net powder weight, while 12 g is collagen per serving. Those are not interchangeable measurements. Use the actual serving count and powder serving weight printed on the current container.
References
- NIH Office of Dietary Supplements: Dietary Supplements for Exercise and Athletic Performance
- Effects of Collagen Supplements on Skin Aging: systematic review and meta-analysis (2025)
- Matched product listing and package identity: B0CKXPZ4M4
Label and package details checked against the cited sources. Retailer prices and available versions can change; the page update date is shown above.