Citricidal Liquid Concentrate provides antioxidant support and digestive balance via a full spectrum grapefruit seed extract, helping you feel healthier and more resilient each day. Its vegan, gluten free and non-GMO credentials support the quality, giving a full range of grapefruit bioflavonoids, giving extra antioxidant power. Nutribiotic has a long-standing heritage in natural supplements, built on careful sourcing and quality you can rely on.

Available Sizes & Variants:

1 fluid ounce liquid concentrate - compact bottle for on the go.

Benefits & Features:

• Supports antioxidant defence all day.
• Provides digestive support when mixed in water or juice, helping comfort.
• The key active ingredient grapefruit seed extract provides a full range of bioflavonoids, supporting antioxidant activity and immune health.
• Designed to be vegan, gluten free and non-GMO, the formula avoids major allergens and additives, making it a reliable natural supplements pick for daily use.
• Drop-dose allows quick, flexible use whether at home or on the go.

From its professional heritage to its clean sourcing, Citricidal combines grapefruit seed extract with a full range of polyphenolics, offering potent antioxidant activity in a vegan, gluten-free, non-GMO mix. The plant-derived concentrate is designed to be diluted in water or juice for everyday support, and the brand emphasises unfiltered bioflavonoids to maximise natural benefits. For anyone looking for reliable natural supplements, this product stands out for consistency and quality.

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take one to two capsules daily or as directed by a medical practitioner. Capsules may be pulled apart and the contents mixed with food and beverages.

Please consult the product packaging for accurate instructions on how to use the product.

1. Boosts Immune System: Citricidal liquid concentrate is a powerful antioxidant that helps to strengthen the body's immune system, protecting it against harmful free radicals and reducing the risk of chronic diseases.
2. Aids in Digestion: This product contains compounds that promote healthy digestion by stimulating the production of enzymes and stomach acids, helping to break down food more efficiently and improving overall gut health.

The Active Ingredient Is: Grapefruit Seed Extract (GSE)

Grapefruit seed extract is a plant-based extract rich in polyphenolic compounds and is used for its antioxidant properties. The product contains a full spectrum of grapefruit bioflavonoids derived from grapefruit seed and pulp, in a format suitable for dilution with liquids.

This form is vegan, gluten-free and non-GMO, with the carrier described as vegetable glycerin. The extracts are intended to support general well-being through its antioxidant and digestive support properties.

What Does Grapefruit Seed Extract Do?

Grapefruit seed extract is involved in antioxidant activity and has been described in the context of antimicrobial and digestive support in vitro. It may contribute to normal digestive balance and overall resilience through its polyphenolic components.

Alongside family nutrients, this extract is used as part of a vegan and allergen-free formulation to support daily wellness in line with general nutrition guidance.

Welzo teams up with brands that show a clear commitment to quality, safety and transparency. Nutribiotic is recognised in professional circles for its clinical-grade Citricidal Liquid Concentrate, prioritising a full spectrum grapefruit bioflavonoids profile and a formulation that is vegan, gluten free and non-GMO. This brand has a heritage of producing botanical extracts designed for reliable applications in professional settings, aligning with our focus on sourcing practices that support consistent potency and purity. The maker communicates a clear ethical stance, including animal-testing policies, which resonates with Welzo’s labelling and consumer expectations. Our team evaluated Nutribiotic through our standard vetting framework, emphasising safety, traceability and adherence to recognisable quality standards.

The brand really stands out with its clear focus on concentrated plant extracts and the integrity of full-spectrum bioflavonoids, which complements this particular supplement. This alignment with our sourcing criteria led to a cohesive product match that resonates with our commitment to really thorough evaluation by our expert team of doctors, nurses, and nutritionists and to a transparent, standards-driven supply chain as shown by our quality certification process.