QuattroFerrin® 21

Key Benefits

• Supports normal red blood cell formation with iron.

• Helps reduce tiredness and fatigue with iron and vitamin C.

• Supports normal cognitive function with iron.

• Contains four complementary sources of iron.

• Includes natural vitamin C from camu camu.

BIOGENA QuattroFerrin® 21 combines four complementary sources of iron in one Clean Label capsule. The QuattroFerrin® blend includes iron from curry leaves, iron-enriched koji, iron bisglycinate, and ferric pyrophosphate, together with natural vitamin C from camu camu. Each capsule provides 21mg of iron and 12mg of vitamin C in a thoughtfully developed daily formula.

Iron contributes to the normal formation of red blood cells and haemoglobin, normal oxygen transport in the body, normal cognitive function, and normal energy-yielding metabolism. Iron and vitamin C also contribute to the reduction of tiredness and fatigue, while vitamin C increases iron absorption. The combination of four iron sources offers a varied approach to iron supplementation in a single capsule.

Whether you're looking to top up your daily iron intake or support periods of increased nutritional demand, QuattroFerrin® 21 offers a simple way to include iron as part of your everyday routine. Its Clean Label formula and carefully selected ingredients make it an easy addition to a balanced lifestyle.

Rather than relying on a single form of iron, QuattroFerrin® 21 combines four different sources, including plant-derived iron from curry leaves and iron-enriched Aspergillus oryzae, alongside iron bisglycinate and ferric pyrophosphate. Natural vitamin C from camu camu complements the blend. The formula is produced according to BIOGENA's Clean Label standards, with independent batch testing and in-house manufacturing in Austria for consistent quality and transparency.

For more than 20 years, BIOGENA has been developing premium micronutrients backed by science and a holistic approach to health. Every formula is evidence-based, manufactured entirely in Austria, and created in partnership with leading global ingredient specialists.

Clean label is more than a claim at BIOGENA. Guided by its Pure Substance Principle, the brand formulates with premium raw materials while avoiding unnecessary additives wherever possible, including artificial colours, flavours, titanium dioxide, GMOs, nanoparticles, and magnesium stearate. Every batch is independently tested to verify active ingredient content and manufactured in-house at BIOGENA's Salzburg facility, ensuring quality and consistency from start to finish.

Trusted by an international network of more than 30,000 doctors and therapists, BIOGENA combines scientific expertise, uncompromising quality, and complete transparency to help people make informed choices for their long-term wellbeing.

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Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

QuattroFerrin® Blend (curry leaf extract, iron pyrophosphate, iron bisglycinate, iron-enriched Aspergillus oryzae powder), hydroxypropyl methylcellulose (capsule shell), camu camu extract (camu camu fruit extract, L-ascorbic acid), bulking agent: cellulose powder.

1 capsule daily with plenty of liquid. Preferably taken on an empty stomach or 1–2 hours after a meal.