
La ciencia detrás de Proto-col
Con más de 19 años de investigación y experiencia en suplementación de colágeno, diseñamos nuestros suplementos para piel y cuerpo con péptidos de colágeno bioactivos específicos®, cada uno con un tamaño molecular único para actuar en áreas específicas del cuerpo:
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Suplementos de colágeno para la belleza para mejorar la piel, el cabello, las uñas y la celulitis.
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Suplementos de colágeno para las articulaciones - dirigidos al tejido cartilaginoso.
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Nuestra última innovación, Complete Collagen, ofrece el doble de ciencia para beneficiar tanto a la piel como a los tejidos conectivos, que mantienen el cuerpo flexible y móvil.
¿Cómo funcionan los suplementos de colágeno de Proto-col?
La verdadera digestibilidad de los Péptidos de Colágeno Bioactivos® es del 98,4%. Su estructura única de hélice simple (una forma más estrecha que otros péptidos de colágeno) es absorbida casi intacta por las células intestinales. Su fuerte enlace peptídico es resistente a las enzimas digestivas que descomponen enlaces peptídicos más débiles. Como resultado, usted consume más colágeno y estimula a su cuerpo a producir su propio colágeno.
El formato de administración no afecta la biodisponibilidad de nuestros suplementos de colágeno. Ya sea que prefiera nuestras cápsulas de colágeno, tabletas de colágeno o colágeno líquido, funcionarán de la misma manera.
Los Péptidos de Colágeno Bioactivos® utilizados en nuestros suplementos han sido probados de forma independiente y han arrojado resultados consistentemente sólidos.
Los resultados clínicos
Clinical studies: Improved skin, hair, nails and cellulite
Clinical studies: Improved skin, hair, nails and cellulite
Improved skin, hair, nails and cellulite
When orally consumed Bioactive Collagen Peptides® (VERISOL B®) systematically effects the collagen metabolism in the dermis by stimulating the collagen producing cells (fibroblasts).
Study 1 – Increased skin elasticity

Increase in skin elasticity after 4 weeks of supplementation with 2500mg or 5000mg of VERISOL B®.
More pronounced results for women aged over 50.
Based on a double-blind study involving 69 women aged 35-55 taking a daily dose of 2500mg of VERISOL B® or 5000mg of VERISOL B® or a placebo for 4 weeks.
Study 2 - Reduced wrinkle volume

Based on a double-blind study involving 108 women aged 45-65 taking a daily dose of 2500mg of VERISOL B® or a placebo for 8 weeks.



Study 3 – Increase in hair thickness
In hair follicle
cell proliferation rate
In vitro tests on human follicle cells: After a 4-hour incubation period with VERSIOL®, the proliferation rate was on average 31% higher than in the untreated cells.
Changes in hair thickness after 16 weeks with VERISOL® vs. Placebo

Based on a double-blind study involving 44 healthy women aged 39-75, taking a daily dose of 2500mg of VERISOL® or a placebo for 16 weeks.
Study 4 – Improved growth and quality of nails
Based on an open, single-centre clinical trial involving 25 women aged 18-50 with common symptoms of brittle nails, taking a daily dose of 2500mg of VERISOL B® for 6 months.
Study 5 – Improvement of appearance of cellulite
Clinical studies: Healthy Joints
Clinical studies: Healthy Joints
Collagen is a protein that makes up around 30% of our total body protein, which is crucial for mobile joints, healthy bones and strong muscles, ligaments and tendons.
Through its vital role in connective tissues, collagen acts as a glue that helps hold us together.
The specific Bioactive Collagen Peptide® used in Proto-col’s joint supplements (FORTIGEL®) has been clinically tested and approved for its effects on relieving joint pain and regenerating healthy cartilage.
Study 1 – Improvement of the cartilage tissue


*Oesser S et al. (2007) Osteoarthritis Cartilage 15: C6 1-C62, 94.
Study 2 –
New generated cartilage tissue

Based on a double-blind randomised study involving 60 men and women taking a daily dose of 10,000mg of FORTIGEL® or a placebo for 48 weeks.
Study 3 – Reducing knee joint pain
Changes in exercise-induced knee pain after 12 weeks with FORTIGEL® vs. Placebo
Based on a double-blind study involving 180 men and women aged between 18-30 experiencing knee pain during and/or after exercise taking a daily dose of 5,000mg of FORTIGEL® or a placebo for 12 weeks.
Clinical studies: A flexible and mobile body
Clinical studies: A flexible and mobile body
Ligaments bind bones together and tendons bind muscle to bone. Made of collagen, they are essential for movement control, stability, and better mobility.
TENDOFORTE®, the Bioactive Collagen Peptide® targets the collagen producing cells in tendons and ligaments and is designed to increase the health and quality of these crucial connecting elements of the body.
Study 1 – Reduced pain in Achilles tendon

