Alcohol-free Grapefruit Seed Extract containing anti-oxidant and anti-inflammatory phytochemicals and flavonoids.


Grapefruit seed extract: rich in bioflavonoids and is known to help fight colds, strengthen the body’s resistance, and support our defense systems.

Vitamin C: naturally contained in this extract, contributes to the normal functioning of the immune system, protects cells from oxidative stress, and reduces fatigue.

For Immune Boost add probiotics, QuantaFlore

Specifics: Concentrated aqueous extract of grapefruit seeds (Citrus grandis Osbeck) dosed with vitamin C; carrier: glycerin.

Supporting Supplements 
Supplement Combinations
  • QuantaFlore: To correct imbalances in the intestinal flora (leaky gut), to boost the immune system, and prevent intestinal discomfort.
  • QuantaGluta: L-glutamine is the main protein building block in the enterocytes making up the intestinal wall.
  • QuantaPhylle: Chlorophyll’s structure is similar to hemoglobin and has stimulat- ing, healing, and antioxidant properties.
  • QuantaVillosi: To assist with types of intestinal disturbances, inflammation, and intestinal permeability (leaky gut).
Directions and Dosage

Shake well before use. Dilute ten drops in a small glass of water three times per day and drink (maximum of 30 drops per day, unless otherwise directed by a practitioner).

Dosage for children:
- Under 6 years of age: 1 drop, twice a day, for every 5 kg of body weight.
- Between 6 and 14 years of age: 1/2 drop/kg/day in 2 or 3 doses.


This dietary supplement is not a drug and is not intended to treat any disease. Its chemico-physical characteristics, in particular its color and odor, may be subject to variation (due to natural physiological phenomena). In no way does this compromise the product’s quality or efficacy.

Do not take if you have a citrus allergy. If grapefruit seed extract comes into contact with the eyes, rinse immediately with warm water. Grapefruit juice is contraindicated in combination with certain drugs because of its cytochrome P450 (CYP 3A4) inhibitory action.

While this interaction has not been demonstrated with QuantaEPP, it should, nevertheless, be avoided as a precautionary measure. If in doubt, ask your doctor for advice. Sensitive individuals, particularly children and pregnant women, may experience heartburn if QuantaEPP is taken on an empty stomach. Contains polyols: excessive consumption may have a laxative effect. Women who are pregnant or breastfeeding should consult a health professional before taking any supplements. The supplementation of infants and children under three years of age is subject to medical supervision. The supervision of a health professional is imperative, as any type of supplementation poses health risks to this population.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Steiner Labs cannot provide medical advice or guidance. You should seek advice from a medical professional before making any diet or lifestyle changes.

Made In Italy

No Pesticides


Gluten Free

high efficiency, High Potency

We care about the quality of our products.

Whenever possible, PhytoQuant utilizes plants that are grown close to our factory using organic, biodynamic principles, irrigated with natural spring water.

Other plant derived materials come from select international suppliers. They are rigorously controlled and analyzed, then sorted and processed in our manufacturing and packaging facility.

PhytoQuant’s storage area is a bio-harmonious pyramid constructed in accordance with the golden ratio, ensuring optimal ingredient conservation of the energetics of the plants. We extract nutrients from the plants using our proprietary ultrasound process which utilizes only Grander®-activated water. This water-based extraction process requires no added heat and is respectful of the intrinsic qualities of each plant.

We produce in small batches to guarantee freshness. PhytoQuant products do not contain any dyes, synthetic flavors, or alcohol.

Our ingredients and finished products are preservative free. They have not been subjected to any treatments such as pasteurization, irradiation, fungicides, or insecticides. All ingredients are fully traceable and do not contain any excipients, GMO’s or Nanoparticles.

These extracts are then stabilized by adding vegetable glycerin.

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