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    AllerShield XTS™ Sinus Support

    AllerShield XTS™ Sinus Support
    Support healthy sinus function, clear airway passages and respiratory comfort with this breakthrough formula that features a research-based dose of AllerGuard Express®, a clinically-studied, proprietary quail egg powder that's been shown to work in as little as 15 minutes.1*

    AllerShield XTS™ Sinus Support

    Support healthy sinus function, clear airway passages and respiratory comfort with this breakthrough formula that features a research-based dose of AllerGuard Express®, a clinically-studied, proprietary quail egg powder that's been shown to work in as little as 15 minutes.1*

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