Free delivery from €65 purchase
Free delivery from €65 purchase
Collagen is a protein essential to the cohesion and regeneration of our tissues. Present in skin, tendons, cartilage and even blood vessels, it ensures firmness, elasticity and resistance. But its natural production declines from the age of 25: wrinkles, loss of tone, joint discomfort? These are all signs that prompt us to consider supplementation. A recurring question remains: should I choose marine or bovine collagen? Let’s take a look at their differences, their uses, and how to choose the formula best suited to your needs.
CONTENTS:
Collagen accounts for almost 30% of total proteins in the human body. A veritable biological cement, it confers elasticity, resistance and cohesion to skin, tendons, ligaments and bones. There are several types of collagen:
Each type of collagen fulfils a distinct role, which is why it’s important to tailor supplementation to your specific needs: skin radiance, joint suppleness or maintenance of tissue tone.
Did you know? Type I collagen makes up over 80% of the dermis’ structure.
Origin and extraction
Marine collagen is extracted from fish skins and scales, while bovine collagen comes from the skins and connective tissues of cattle. Both are obtained by gentle enzymatic hydrolysis, a process that breaks down long protein chains into smaller peptides for better assimilation.
Bioavailability and efficacy
Marine collagen has a lower molecular weight, which facilitates its intestinal absorption. Studies indicate that it reaches skin tissue more rapidly, helping to improve skin hydration and suppleness. Bovine collagen, rich in types I and III, supports muscle tone and deep tissue cohesion.
Ethical considerations and tolerance
Those allergic to fish protein will prefer bovine collagen. Conversely, halal, kosher or pescetarian dieters will turn to marine collagen. In all cases, the purity and traceability of sources must be verified.
Comparative effectiveness
Research into hydrolyzed collagen peptides shows that they help support dermal structure and visibly improve skin quality.
Marine collagen, thanks to the fineness of its peptides, is often chosen in formulas dedicated to skin beauty and radiance.
Bovine collagen, mainly type I (and III), is recognized for its role in muscle tone and connective tissue support.
These two sources share a common purpose: to promote the natural maintenance of tissues and the overall vitality of the body.
Comparison table: Marine collagen vs. bovine collagen
| Features | Marine collagen | Bovine collagen |
| Origin | Peptides from marine fish, obtained by gentle hydrolysis. | Peptides of bovine origin, purified and gently hydrolyzed. |
| Main types | Type I (and sometimes III) | Types I and III |
| Structure & assimilation | Low molecular weight peptides → high bioavailability | Slightly higher molecular weight |
| Main benefits | Beauty support, radiance, skin elasticity | Toning, recovery, tissue vitality |
| Tolerance / Allergies | Allergic risk to fish | No major risk |
| Ideal targets | Skin, hair, nails | Athletes, seniors, mobility and overall comfort |
Beauty, radiance and skin firmness
For aesthetic needs, marine collagen is often preferred for its fineness and bioavailability. Derived from marine sources, it acts primarily on the structure of the dermis, helping to improve skin firmness, hydration and luminosity. When combined with key nutrients such as vitamin C, hyaluronic acid or B-group vitamins, its effectiveness on natural collagen synthesis and skin regeneration is enhanced.
Tip: for optimum results, combine your treatment with good hydration and a diet rich in antioxidants.
Mobility, tendons and joint recovery
Hydrolyzed bovine collagen is particularly suitable for maintaining joint mobility and supporting tendons and ligaments. It promotes suppleness, connective tissue resistance and recovery after exercise. The simultaneous addition of vitamin C stimulates endogenous collagen production and optimizes muscle regeneration.
Global regeneration and cellular balance
Multi-collagen formulas combine several types of collagen (I, II, III, V and X) for a global action on skin, muscles, joints and supporting tissues. This combined approach acts deep down to maintain cellular vitality and the body’s structural balance.
Purity and origin of peptides
Good collagen is distinguished above all by the quality of its peptides: a low molecular weight facilitates their passage into the bloodstream and their use by fibroblasts. It’s best to opt for collagen from controlled sources and gentle hydrolysis, guaranteeing optimal bioavailability and consistent purity.
Form and dosage
Collagen comes in different forms: powder, capsules, sticks or ready-to-eat drinks.
Powder remains the most effective: it offers better assimilation thanks to the direct dissolution of peptides in liquids (water, coffee, smoothie, infusion…) and allows dosage to be adjusted according to need.
Hydrolyzed collagens are generally used in the range of 5 to 15 g per day. This range is considered safe and effective according to several clinical studies.
These values vary according to the objectives (skin, joints, muscles), but in practice, a daily consumption of 5 to 15 g is the most commonly used reference for supplementation.
Active synergies
Collagen’s action is optimized when combined with certain essential micronutrients involved in the formation and protection of connective tissue:
Other nutrients can complement this approach:
This combination of micronutrients and bioactive compounds supports a holistic, integrative approach to inner care, promoting vitality and structural tissue balance.
Is marine collagen more effective?
It all depends on your needs.
Marine collagen is characterized by its lower molecular weight, favoring rapid assimilation. It is therefore particularly well-suited to beauty objectives such as hydration, suppleness and skin radiance.
Bovine collagen, particularly in its type I and III forms, is more supportive of connective tissue structure and muscle tone.
Their effectiveness is therefore complementary: marine for skin, bovine for vitality and mobility.
What’s the right age to start a cure?
Natural collagen production starts to slow down from the age of 25, then gradually declines with each decade.
Between the ages of 30 and 35, regular supplementation helps to preserve skin density and joint suppleness.
People exposed to oxidative stress (sun, intensive sport, smoking, lack of sleep) may benefit from an earlier course of treatment to support their tissues and maintain a long-lasting radiance.
What is the optimal duration of a cure?
Clinical studies indicate visible effects after 8 to 12 weeks of regular use.
However, to maintain the benefits on skin and joints, daily and prolonged intake is recommended.
Collagen acts in a cumulative way: the more continuous the intake, the more the tissues retain their suppleness, density and radiance.
Many users integrate collagen into their routine throughout the year, sometimes with a slight break between two cycles.
Is there such a thing as plant collagen?
No: collagen is naturally of animal origin.
However, certain plant-based active ingredients, such as bamboo silica, centella asiatica, natural vitamin C and zinc, stimulate the body’s own endogenous collagen production mechanisms.
Can marine and bovine collagen be combined?
Yes, and in fact it’s the most complete approach.
Marine collagen acts on the skin’s beauty and firmness, while bovine collagen supports mobility, recovery and tone.
Marine collagen and bovine collagen are not opposites, they complement each other.
The former reveals the skin’s radiance and youthfulness, while the latter supports the body’s mobility, recovery and vitality.
At SASHINAH®, this synergy is embodied in three expert, complementary formulas:
Each formula responds to a priority: sublimate, reinforce or regenerate.
It’s up to you to choose the one that best suits your needs… or combine them for a complete package.
Do you find it interesting? Share this article
