What is copper’s role in skin, hair, and nails?

Copper plays several specific roles related to skin, hair, and nail health. First, it is essential for melanin production — the pigment that gives colour to skin and hair. Without adequate copper, melanin synthesis is impaired. Second, copper is a cofactor for lysyl oxidase, an enzyme that cross-links collagen and elastin fibres, giving these structural proteins their strength and resilience. This directly affects skin firmness and elasticity. Third, copper contributes to normal connective tissue maintenance, which includes the structures that anchor hair and nails.

What is the NRV for copper and how much do you provide?

The EU Nutrient Reference Value (NRV) for copper is 1.0 mg per day. Our Skin Hair & Nails formula provides exactly 1.0 mg (100% NRV) per daily serving in the form of cupric gluconate. Cupric gluconate is an organic copper salt that is well absorbed compared to inorganic copper forms like copper oxide. The 100% NRV dose provides the full daily reference amount in a carefully calibrated level — sufficient to support normal copper-dependent functions without excess.

How does copper interact with other minerals in supplements?

Copper interacts with several other minerals, particularly zinc and iron. High-dose zinc supplementation (above 25 mg daily) can interfere with copper absorption, which is why our Skin Hair & Nails formula — which contains 3.5 mg zinc — is carefully balanced to maintain an appropriate zinc-to-copper ratio. Copper and iron also interact in red blood cell formation, as copper is needed for proper iron metabolism. The balanced mineral levels in our formula are designed with these interactions in mind.

Is copper deficiency a concern?

While severe copper deficiency is rare, milder suboptimal copper status can occur, particularly in people with digestive conditions that affect nutrient absorption (such as coeliac conditions or Crohn’s), those who have had gastric bypass surgery, and people taking high-dose zinc supplements long term. Signs of low copper status can include fatigue, frequent illness, brittle hair, and skin changes. However, copper toxicity from excess supplementation is also possible, which is why we dose carefully at 100% NRV rather than megadoses.

Ingredient Deep Dive · Copper

Ingredient Copper

The trace mineral essential for skin pigment, connective tissue, and immune health.

Copper is a vital trace mineral often overlooked in supplement formulations. Found in our Skin Hair & Nails formula as highly absorbable cupric gluconate.

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What is Copper?

Copper is an essential trace mineral that serves as a cofactor for numerous enzymes critical to human health. These cuproenzymes are involved in energy production (cytochrome c oxidase), connective tissue formation (lysyl oxidase), neurotransmitter synthesis (dopamine β-hydroxylase), iron metabolism (ceruloplasmin), antioxidant defence (superoxide dismutase), and pigmentation (tyrosinase). Copper is present in all body tissues but is concentrated in the liver, brain, heart, kidneys, and skeletal muscle.

Copper works in close partnership with iron — the copper-dependent enzyme ceruloplasmin is essential for mobilising iron from storage sites, making it available for red blood cell production. Copper and zinc also interact through shared transport proteins, which is why balanced supplementation that respects their physiological ratio is important. The body's copper content is regulated primarily through absorption and excretion rather than storage, making consistent dietary intake valuable.

EFSA-approved health benefits

The European Food Safety Authority (EFSA) has confirmed that copper:

contributes to normal energy-yielding metabolism
contributes to the normal functioning of the nervous system
contributes to normal hair and skin pigmentation
contributes to normal iron transport in the body
contributes to the normal function of the immune system
contributes to the protection of cells from oxidative stress
contributes to the maintenance of normal connective tissues

Why we use Copper in Nutri-Leaf formulas

Nutri-Leaf Skin Hair & Nails delivers 1.0mg of copper per capsule (100% NRV) in a balanced ratio with zinc. The formula also includes biotin, bamboo shoots extract, millet seed extract, nettle leaf extract, and horsetail herb powder for comprehensive beauty-from-within nutrition. All ingredients are encapsulated in a plant-based HPMC shell at our FSSC 22000 certified facility in Germany.

Products containing Copper

The Nutri-Leaf product featuring copper is Skin Hair & Nails, where it contributes to normal skin and hair pigmentation and works alongside biotin, zinc, and four plant extracts.

Discover the role of copper and other nutrients in beauty nutrition on our Beauty from Within health guide. Visit the Ingredient Philosophy page to understand our nutrient selection principles.

Food supplements are not a substitute for a balanced and varied diet and a healthy lifestyle.

Ingredient profile

Copper — a trace mineral with essential roles in connective tissue and pigmentation.

What it is
Copper is an essential trace mineral that serves as a cofactor for numerous enzymes critical to human health. It appears in Nutri-Leaf Skin Hair & Nails.
Why we use it
Every ingredient in our formulas serves a specific nutritional purpose. What you see on the label is exactly what’s in the capsule.
German quality sourcing
All ingredients are sourced to meet German and EU pharmacopoeia quality standards, then manufactured into finished supplements in Germany by an FSSC 22000 certified food-supplement producer.
Benefits & research
Role in the body
Copper contributes to normal hair and skin pigmentation, normal iron transport in the body, the normal function of the immune system and the protection of cells from oxidative stress.
Approved health claims
According to the European Food Safety Authority (EFSA), copper contributes to normal energy-yielding metabolism, the normal functioning of the nervous system, normal hair and skin pigmentation, normal iron transport, the normal function of the immune system, the protection of cells from oxidative stress and the maintenance of normal connective tissues.
EU quality standards
Nutrient Reference Values (NRVs) are set by EU Regulation 1169/2011. Our formulas are designed to provide meaningful percentages of these reference values per daily serving.

Nutri-Leaf formulas featuring this ingredient

Supplements containing Copper.

Skin Hair & Nails

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Skin Hair & Nails

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Frequently asked questions

Your questions about Copper and quality.

Copper plays several specific roles related to skin, hair, and nail health. First, it is essential for melanin production — the pigment that gives colour to skin and hair. Without adequate copper, melanin synthesis is impaired. Second, copper is a cofactor for lysyl oxidase, an enzyme that cross-links collagen and elastin fibres, giving these structural proteins their strength and resilience. This directly affects skin firmness and elasticity. Third, copper contributes to normal connective tissue maintenance, which includes the structures that anchor hair and nails.
The EU Nutrient Reference Value (NRV) for copper is 1.0 mg per day. Our Skin Hair & Nails formula provides exactly 1.0 mg (100% NRV) per daily serving in the form of cupric gluconate. Cupric gluconate is an organic copper salt that is well absorbed compared to inorganic copper forms like copper oxide. The 100% NRV dose provides the full daily reference amount in a carefully calibrated level — sufficient to support normal copper-dependent functions without excess.
Copper interacts with several other minerals, particularly zinc and iron. High-dose zinc supplementation (above 25 mg daily) can interfere with copper absorption, which is why our Skin Hair & Nails formula — which contains 3.5 mg zinc — is carefully balanced to maintain an appropriate zinc-to-copper ratio. Copper and iron also interact in red blood cell formation, as copper is needed for proper iron metabolism. The balanced mineral levels in our formula are designed with these interactions in mind.
While severe copper deficiency is rare, milder suboptimal copper status can occur, particularly in people with digestive conditions that affect nutrient absorption (such as coeliac conditions or Crohn’s), those who have had gastric bypass surgery, and people taking high-dose zinc supplements long term. Signs of low copper status can include fatigue, frequent illness, brittle hair, and skin changes. However, copper toxicity from excess supplementation is also possible, which is why we dose carefully at 100% NRV rather than megadoses.

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Copper — the essential mineral for colour, connective tissue, and immunity.

manufactured in Germany by an FSSC 22000 certified producer. Plant-based HPMC capsules. Free shipping from €49 across the EU.

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Ingredient Copper

The trace mineral essential for skin pigment, connective tissue, and immune health.

What is Copper?

EFSA-approved health benefits

Why we use Copper in Nutri-Leaf formulas

Products containing Copper

Copper — a trace mineral with essential roles in connective tissue and pigmentation.

Benefits & research

Supplements containing Copper.

Skin Hair & Nails

Guides about ingredients and nutrition.

Zinc and Selenium: The Dynamic Duo for Immune Health

How to Read a Supplement Label Like a Nutritionist

The Beginner’s Guide to Building a Daily Supplement Routine

Your questions about Copper and quality.

Copper — the essential mineral for colour, connective tissue, and immunity.

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