Not All Collagen Is Clinically Tested. Peptan® Is.
There’s a lot of collagen on the market. Most of it is backed by general studies on collagen peptides, not the specific ingredient in the product you’re buying. LAKA® C3 is formulated with Peptan®, a premium marine collagen peptide from Rousselot — one of the most extensively researched collagen ingredients in the world, with over 30 years of clinical studies and a molecular profile optimized for absorption.
Here’s what those studies actually show, organized by timeline so you know what to expect.
The Clinical Results Timeline
Week 1–2: Gut Absorption & Bioavailability
Before you see anything in the mirror, absorption is happening. Peptan® marine collagen peptides are hydrolyzed to a low molecular weight (~2 kDa), which research confirms allows them to pass intact through the intestinal wall and enter systemic circulation. A bioavailability study using radiolabeled Peptan® showed that collagen peptides reach target tissues — including skin, cartilage, and bone — within hours of ingestion.
What you might notice: Nothing visible yet, but gut health improvements (reduced bloating, improved digestion) are reported early by some users due to the glycine content supporting gut lining integrity.
Week 4: Skin Hydration
A double-blind, placebo-controlled study published in Skin Pharmacology and Physiology found that women taking Peptan® showed statistically significant improvements in skin hydration after just 4 weeks of daily supplementation. The mechanism: collagen peptides stimulate fibroblasts (your skin’s collagen-producing cells) to increase hyaluronic acid synthesis — which is what drives water retention in the dermis.
What you might notice: Skin feels more supple and “plump.” Fine lines may appear slightly softer, particularly around the eyes and mouth.
Week 6–8: Skin Elasticity & Wrinkle Reduction
The landmark Peptan® skin elasticity study (double-blind, placebo-controlled, 69 women aged 35–55) measured skin elasticity using a Cutometer at weeks 4 and 8. At 8 weeks, the Peptan® group showed a 28% improvement in skin elasticity compared to baseline, versus no significant change in the placebo group.
A separate study measuring wrinkle depth using 3D imaging found a 26% reduction in eye wrinkle volume after 8 weeks of Peptan® supplementation.
What you might notice: Skin looks firmer and more toned. Makeup sits differently — more smoothly — as surface texture improves.
Week 8–12: Joint Comfort & Mobility
Peptan® has been studied specifically for joint health in active populations. A clinical trial in athletes with activity-related joint pain found that 8–12 weeks of Peptan® supplementation led to significant reductions in joint discomfort during movement and improved mobility scores — without side effects.
The mechanism here is different from the skin pathway: collagen peptides appear to accumulate in cartilage tissue and stimulate chondrocytes (cartilage cells) to produce more type II collagen, the structural protein that gives cartilage its shock-absorbing capacity.
What you might notice: Reduced stiffness after exercise or in the morning. More comfortable range of motion in knees, hips, and hands.
Week 12+: Bone Density & Long-Term Structural Support
Longer-duration studies have examined Peptan®’s effects on bone mineral density, particularly in post-menopausal women (who experience accelerated collagen loss). A 12-month study found that Peptan® supplementation significantly slowed the rate of bone collagen degradation and improved bone mineral density markers compared to placebo.
This reflects the deeper, slower work of collagen: rebuilding the structural scaffolding of bone, which doesn’t happen in weeks — it happens over months of consistent intake.
What you might notice: This is harder to feel day-to-day, but long-term users often report improved recovery from physical activity and reduced injury frequency.
Why Marine vs. Bovine?
Peptan® marine collagen is derived from fish skin, which yields a higher proportion of Type I collagen — the same type that dominates human skin, tendons, and bone. Marine collagen also has a smaller peptide size than bovine, which research suggests improves absorption rate and bioavailability. For skin-focused outcomes especially, marine collagen is the scientifically preferred source.
The LAKA® C3 Formulation Advantage
LAKA® C3 combines Peptan® marine collagen with vitamin C (essential for endogenous collagen synthesis — your body can’t make collagen without it) and copper (a cofactor for lysyl oxidase, the enzyme that crosslinks collagen fibers for structural strength). This trio mirrors the collagen synthesis pathway your body uses naturally, which is why it’s called C3: Collagen, C (vitamin C), and Copper.
It’s not just collagen supplementation. It’s collagen synthesis support — from intake to structural integration.
The Takeaway
Results from Peptan® marine collagen are real, measurable, and time-dependent. The studies are double-blind, placebo-controlled, and published in peer-reviewed journals. But they require consistency — most significant outcomes appear at 8 weeks and compound beyond 12. Think of it less like a supplement and more like a long-term investment in your skin, joints, and structural health.
Daily. Non-negotiable. That’s the protocol.