
Clarity You Can See. Quality You Can Feel.
It’s not just powder in a glass. It’s the difference between compromise and confidence, between “good enough” and truly good for you. When you see it, you know, the choice is clear.
Clinically backed marine collagen sourced from 100% wild-caught fish, designed to promote long-term skin, joint, and tissue health.
- Superior absorption due to low molecular weight peptides
- Unflavored and dissolves easily in hot or cold liquids
- Supports skin elasticity, joint mobility, and recovery
Science Backed Support
Transparency Meets Trust.
From the first scoop to the final sip, TruMarine® Collagen delivers clarity you can see and quality you can feel, every time. That’s why people come back. Once you’ve experienced true purity, nothing else compares.
withinUs TruMarine® Collagen is a premium-select grade marine collagen peptide, known for its exceptional purity, quality, and effectiveness.
TruMarine® Collagen has been proven to deliver exceptional results in controlled, double-blind clinical trials. Research demonstrates its superior bioavailability and effectiveness in promoting skin health, bone strength, and joint comfort.
withinUs® vs. Competitors
The TruMarine® Difference
Not all collagen is created equal. TruMarine® Collagen is sourced exclusively from 100% wild-caught fish, offering the highest purity, bioavailability, and effectiveness on the market. Unlike other collagens, it’s hydrolyzed for superior absorption, allowing your body to fully benefit from its amino acid profile. Backed by clinical research and free from additives, fillers, and heavy metals, TruMarine® sets a new standard for clean, science-backed collagen, delivering real results for your skin, joints, and overall wellness.
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withinUs®
Premium-Select Grade Marine Collagen:
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Sourced exclusively from scales of wild-caught fish (not skin)
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Superior absorption (1.5x better than other leading brands*) due to the purity and source
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Clinically studied for decades with consistent data on safety and efficacy
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Sustainably sourced with a lower carbon footprint compared to bovine or farmed sources
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5g daily is needed (vs 10-20g) due to higher bioavailability (absorption rate)
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Dissolves clear, virtually tasteless and odourless
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Ultra-pure and clean: every lot is stringently tested for heavy metals and impurities
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No added sugars, sweeteners, flavours, or preservatives
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Non-GMO Project Verified
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Health Canada approved with NPN (Natural Product Number) registration
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Pescatarian-friendly and bovine-free
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Made in a gluten-free, nut-free, soy-free facility
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Other Leading Collagen Brands
Typically Mass-Produced or Mixed-Source Collagen:
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Often made from multiple species (e.g., cowhide, bones, fish skin), with inconsistent sourcing and quality
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May combine bovine, porcine, and marine collagen without clear labelling
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Frequently includes farmed animals or unspecified origins, impacting purity and sustainability
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May be processed/hydrolyzed with harsh chemicals or solvents
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Higher environmental impact, especially with bovine collagen
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A gritty or sludgy aftertaste
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Limited or no long-term clinical data
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May contain sweeteners, flavours, preservatives, or GMOs
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Unpleasant taste and smell
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Requires 10–20g per day to see similar effects
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Not vegetarian or pescatarian friendly
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Inconsistent product quality across brands and batches
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Not all creatine is created equal
TruMarine® Collagen, the gold standard in marine collagen peptides.
With uncompromising standards and a focus on results, withinUs sets the benchmark for purity, proven benefits, and lasting trust, because excellence is built into every step.
Collagen is one of the most important structural components in our body. It represents 1/15th of our total body weight, and 75% of our skin is composed of collagen. Ultra-pure withinUs TruMarine® Collagen is characterized by its unique amino acid composition, offering a high concentration of specific amino acids with special nutri-functional properties that are beneficial to health, beauty and more.
Our Process
Every scoop of TruMarine® Collagen is made from the scales of sustainably sourced, wild-caught fish, produced under strict quality standards. Your health should never come at the expense of the planet.
To provide the highest possible quality of collagen, withinUs TruMarine® Collagen begins by sourcing the best raw material available. Our Premium Select Grade collagen is extracted exclusively from fish scales sourced from the deep, clean waters of the South Pacific Ocean

Superior quality in every scoop.
The TruMarine® Difference
- Superior Absorption
- Non-GMO Project Verified
- Health Canada Approved
- Bovine, Fowl, & Swine Free
- Dairy Free
- Gluten Free
- Wild Caught
- Sustainably Sourced
- Premium Select Grade
- Kosher
FAQ
Your Collagen Questions Answered.
Is withinUs® a Canadian Company?
Is withinUs® a Canadian Company?
Superior Quality
Superior Quality
Clinically Proven Results
Clinically Proven Results
Powerful Pro-Aging Benefits
Powerful Pro-Aging Benefits
Easy to Use
Easy to Use
Nutritional Information
Nutritional Information
Didn’t find your answer here? Read more
Testimonials
Real People, Real Results
Subscriptions
Elevate Your Daily Wellness Ritual
Discover the benefits of consistent, daily use with a withinUs® subscription. Designed to simplify your routine and support your long-term wellness goals, our subscription service ensures your premium, select-grade products are always on hand, delivered straight to your door.
Ideal for those who prioritize quality, convenience, and results, subscribing makes it easy to stay committed to your wellness journey with withinUs.
