Source Naturals AllerStrength Fast-Acting Seasonal Immune Support - Highly Bioavailable Quercetin* - 60 Tablets
- Enzymatically modified isoquercitrin is a type of quercetin that includes additional glucose molecules for increased solubility and bioavailability.
- Suggested use: Take 1 tablet twice daily.
- Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance.
- Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyone’s potential to enjoy optimal health.
- Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA).
| Ingredients | Vitamin C (as Magnesium Ascorbate), Magnesium (as Magnesium Ascorbate), Emiq Complex (providing 50 Mg Enzymatically Modified Isoquercitrin) |
| Expiry Date | May 2027 |
| Product Benefits | Immune_support |
| Age Range (description) | Adult |
| Diet Type | Vegetarian |
| Item Dimensions L X W X H | 1.3 X 1.3 X 1.6 Inches |
| Special Ingredients | 17x Quercetin |
| Flavor | Unflavored |
| Item Form | Tablet |
| Unit Count | 60.0 Count |
| Product Type | Nutritional Supplement |
| Primary Supplement Type | Vitamin |
| Brand | Source |
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Enjoy free delivery on orders above CA$ 250.
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Orders are processed and shipped from Toronto.
3-6 days (Domestic)
30-Day Return Guarantee
Confidence-backed purchases with 30-day return support.
SKU |
BRSWKHY3CUBBUFLX |
Category |
Vitamins, Minerals & Supplements , Vitamins , Multivitamins |
Tags |
Important information
Safety Information
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.
Ingredients
Vitamin C (as magnesium ascorbate), Magnesium (as magnesium ascorbate), EMIQ Complex (providing 50 mg enzymatically modified isoquercitrin)
Directions
Suggested use: Take 1 tablet twice daily.
Legal Disclaimer
*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.
Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Product Dimensions
1.3 x 1.3 x 1.6 inches; 1.13 ounces
Shipping & Delivery
At Nutricity, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.







