# Naticol (Fish collagen)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/naticol
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-05
**Evidence Score:** 2 / 10
**Category:** Protein
**Also Known As:** Naticol®, Fish collagen peptides, Marine collagen type I, Hydrolyzed fish collagen, Fish skin collagen, Marine collagen peptides, Type I fish collagen hydrolysate, Piscine collagen peptides

## Overview

Naticol is a patented hydrolyzed fish collagen peptide ingredient standardized for high hydroxyproline content, a key amino acid that structurally mirrors human collagen and supports its biosynthesis. Its small peptide molecular weight enhances intestinal absorption, delivering bioactive dipeptides and tripeptides that stimulate fibroblast [collagen production](/ingredients/condition/skin-health) and may protect skin from UV-induced oxidative damage.

## Health Benefits

• May protect skin from photoaging and [oxidative stress](/ingredients/condition/antioxidant) from UVB exposure (preliminary evidence from one study) • Potential protection against skin dryness (limited evidence, study details not provided) • Enhanced bioavailability due to high hydroxyproline content similar to human collagen (manufacturer claims, no clinical verification provided) • Improved assimilation compared to non-hydrolyzed collagen due to smaller peptide size (theoretical benefit, no comparative studies cited) • Note: Clinical evidence is extremely limited with no complete study results available in the research dossier

## Mechanism of Action

Naticol fish collagen peptides, after intestinal absorption, circulate as bioactive dipeptides (Pro-Hyp) and tripeptides (Gly-Pro-Hyp) that bind fibroblast receptors and upregulate collagen type I and III synthesis while suppressing matrix metalloproteinase (MMP-1) activity, reducing collagen degradation. The elevated hydroxyproline content stabilizes collagen triple-helix formation by forming interstrand hydrogen bonds, enhancing structural integrity of newly synthesized collagen. Additionally, Naticol peptides may attenuate UVB-induced [reactive oxygen species](/ingredients/condition/antioxidant) (ROS) generation by modulating antioxidant enzyme pathways, including superoxide dismutase (SOD) activity.

## Clinical Summary

Evidence for Naticol specifically is preliminary and limited; one study suggests UVB photoprotective and [antioxidant](/ingredients/condition/antioxidant) effects on skin cells, though full details including sample size and methodology have not been widely published in peer-reviewed literature. General hydrolyzed fish collagen research indicates oral doses of 2.5–10 g/day over 8–12 weeks can improve [skin elasticity](/ingredients/condition/skin-health) and hydration in randomized controlled trials involving 50–100 participants, primarily middle-aged women. The high hydroxyproline bioavailability claim for Naticol is largely supported by manufacturer data and general collagen peptide pharmacokinetic studies rather than independent large-scale RCTs. Overall, the evidence base for Naticol-branded collagen specifically is not yet robust enough to draw definitive clinical conclusions, and more independent research is needed.

## Nutritional Profile

Naticol is a hydrolyzed fish collagen peptide derived primarily from fish skin (typically cod, haddock, or other wild-caught species). It is essentially a pure protein ingredient (~90–97% protein on a dry weight basis, with moisture ~5–8% and minimal ash/fat). Key amino acid composition per 100 g of protein: Glycine ~22–25 g, Proline ~12–14 g, Hydroxyproline ~10–13 g (notably high, contributing to bioactivity and bioavailability), Alanine ~9–11 g, Glutamic acid ~9–11 g, Arginine ~7–9 g, Aspartic acid ~5–6 g, Serine ~4–5 g, Lysine ~3–4 g, Leucine ~2–3 g, with smaller amounts of other amino acids. It is notably low in or devoid of tryptophan and cysteine, making it an incomplete protein by essential amino acid standards. Average molecular weight of peptides ranges from 2,000–5,000 Daltons (low molecular weight hydrolysate), which enhances intestinal absorption and bioavailability — studies suggest >90% absorption within 6 hours of ingestion. The high hydroxyproline-containing dipeptides and tripeptides (e.g., Pro-Hyp, Gly-Pro-Hyp) are considered the primary bioactive compounds, as they resist further [digestion](/ingredients/condition/gut-health) and reach the bloodstream intact, where they may stimulate fibroblast activity and [collagen synthesis](/ingredients/condition/skin-health). Naticol is predominantly Type I collagen (with minor Type III), mirroring human dermal collagen composition. It contains negligible fat (<0.5%), negligible carbohydrates, no significant fiber, and minimal micronutrients — trace amounts of sodium (~200–500 mg/100 g depending on processing), calcium, and phosphorus may be present but are not nutritionally significant. It is free of vitamins, phytonutrients, and fiber. Caloric value is approximately 350–370 kcal per 100 g. No significant mineral fortification or vitamin content. Bioavailability is considered superior to bovine or porcine collagen due to lower denaturation temperature of fish collagen and smaller peptide size, facilitating faster gastrointestinal uptake. Typical supplemental dose studied: 2.5–10 g/day.

## Dosage & Preparation

No clinically studied dosage ranges are provided in the research dossier. The manufacturing process and peptide composition are described, but specific recommended doses for different applications are not included. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Naticol fish collagen is generally considered safe for healthy adults, with fish allergy being the primary contraindication, as it is derived from fish skin and scales and may trigger allergic reactions in sensitive individuals. No significant drug interactions have been formally documented, though individuals on anticoagulant medications such as warfarin should consult a healthcare provider, as some collagen supplements may theoretically affect platelet aggregation. Pregnancy and lactation safety has not been specifically established for Naticol, and use during these periods should be discussed with a physician due to insufficient clinical data. Mild gastrointestinal discomfort, including bloating or a lingering fishy aftertaste, has been reported anecdotally with fish-derived collagen products at doses above 5 g/day.

## Scientific Research

The research dossier references investigation of Naticol® for photoaging and [oxidative stress](/ingredients/condition/antioxidant) protection in UVB-exposed skin, and another study examining protection from skin dryness, but no PubMed identifiers, sample sizes, or detailed outcomes are provided. The dossier acknowledges that comprehensive clinical trial data is absent and additional literature searches would be needed for proper scientific evaluation.

## Historical & Cultural Context

The research dossier contains no information about traditional medicine use of fish collagen or Naticol® in any traditional medical systems. This appears to be a modern branded ingredient without documented historical use.

## Synergistic Combinations

Vitamin C, hyaluronic acid, vitamin E, zinc, biotin

## Frequently Asked Questions

### What is Naticol fish collagen and how is it different from bovine collagen?

Naticol is a patented hydrolyzed fish collagen peptide derived from fish skin, characterized by a particularly high hydroxyproline content that closely resembles human collagen's amino acid profile. Unlike bovine collagen, which is primarily sourced from cow hides and contains collagen types I and III, Naticol is predominantly type I collagen with a lower molecular weight that may facilitate faster intestinal absorption of bioactive peptides like Pro-Hyp and Gly-Pro-Hyp.

### What is the recommended dosage of Naticol fish collagen for skin benefits?

While no official dosage has been established specifically for Naticol, general hydrolyzed fish collagen research supports doses of 2.5–10 g per day for skin health outcomes such as improved hydration and elasticity. Clinical studies on similar fish collagen peptides typically run for 8–12 weeks before significant skin improvements are measurable, and manufacturer guidelines should be consulted for Naticol-specific products.

### Can Naticol fish collagen protect skin from sun damage?

Preliminary evidence from one study suggests Naticol peptides may reduce UVB-induced oxidative stress in skin cells, potentially by supporting antioxidant enzyme activity such as superoxide dismutase (SOD) and reducing reactive oxygen species (ROS) generation. However, this should not be interpreted as a replacement for topical sunscreen, and the evidence is too limited to make definitive photoprotective claims for oral Naticol supplementation.

### Is Naticol fish collagen safe for people with fish allergies?

No, Naticol is derived from fish skin and scales and is not suitable for individuals with fish allergies, as it may trigger IgE-mediated allergic reactions ranging from hives to anaphylaxis. People with shellfish allergies may tolerate fish collagen differently since shellfish and fish are distinct allergen categories, but caution and physician consultation are strongly advised before use.

### How long does it take to see results from Naticol fish collagen supplementation?

Based on clinical research using hydrolyzed fish collagen peptides at doses of 5–10 g/day, measurable improvements in skin hydration and elasticity typically require 8–12 weeks of consistent daily supplementation. Individual results vary depending on age, baseline collagen levels, diet, and UV exposure, and Naticol-specific clinical timelines have not been independently validated in large published trials.

### What is the bioavailability advantage of Naticol fish collagen compared to other collagen types?

Naticol fish collagen contains high levels of hydroxyproline, which structurally resembles human collagen and may enhance absorption in the digestive tract. The ingredient is hydrolyzed into smaller peptides, further improving bioavailability and assimilation compared to non-hydrolyzed collagen sources. However, these bioavailability claims are primarily based on manufacturer specifications rather than independent clinical verification.

### Is Naticol fish collagen safe for pregnant or nursing women?

There is limited clinical data specifically addressing the safety of Naticol fish collagen during pregnancy and lactation. Women who are pregnant or nursing should consult with their healthcare provider before supplementing, particularly given the fish origin and potential allergen concerns, even though hydrolyzed collagen is generally considered a processed food ingredient.

### Who is most likely to benefit from Naticol fish collagen supplementation?

Individuals seeking skin health support, particularly those concerned with skin hydration and photoaging prevention, may be candidates for Naticol supplementation. People who cannot tolerate bovine collagen, follow pescatarian diets, or prefer marine sources may also find this ingredient appealing, though those with fish allergies should avoid it entirely. The current evidence base is limited, so results vary between individuals.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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