This item may take 7 to 14 days to ship, and your order may be adjusted depending on what is available to ship. Please call 1-888-544-0219 for availability before placing your order. Otherwise we will email you the status once your order is placed.

Source Naturals AllerStrength has enzymatically modified isoquercitrin is a type of quercetin that includes additional glucose molecules for increased solubility and bioavailability. This advanced springtime support product offers quick absorption. Enzymatically modified isoquercitrin was demonstrated to have 17 times greater bioavailability than quercetin itself in one clinical trial. Its core compound, quercetin, was shown in preliminary, in vitro research to inhibit histamine release. Enzymatically modified isoquercitrin administered at the dose supplied in this product has been clinically demonstrated to maintain eye health during periods of seasonal discomfort.

EMIQ® is a registered trademark of San-Ei Gen F.F.I., and is used under license from Theravalues Corporation.*

Suggested Use: 1 tablet twice daily.

Other Ingredients: dibasic calcium phosphate, microcrystalline cellulose, hydroxypropylcellulose, and magnesium stearate.

Warning: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children. Store in a cool, dry place.

Allergies: Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance.

• Highly Bioavailable

• EMIQ® 17X Quercetin

Brand: Source Naturals