Histamine & Mast Cell Support
Supports normal histamine and mast cell activity†
Histamine & Mast Cell Support is a powerful combination of high-potency herbal extracts and key antioxidants formulated to promote seasonal comfort and support a healthy, balanced immune response.
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Gluten-Free
Non-GMO
Vegan
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cGMP certified
Third-party tested
*Free shipping on orders $199+, U.S. only
In stock
Ships within 3-7 business days
Shipping & Returns
Returns: All sales are final due to the sensitive nature of supplements. Manufacturing defects or wrong items must be reported within 72 hours of delivery. Shipping: US orders ship via USPS, UPS, or FedEx, 3-7 business days for most US destinations.
International Orders
It is the recipient's responsibility to confirm the product can be legally imported to the destination country. We are not responsible for international duties, fees, or taxes you may incur.
Made & Tested
Manufactured in a cGMP-certified facility. Every batch is third-party tested for purity, identity, and potency. Certificates of analysis available on request.
The featured active
The ingredient doing the work.
No proprietary blends, no glossy fillers. Here's a closer look at the star of this formula.
Nothing to Hide
Exactly what's in the bottle.
This is the exact label from the bottle - nothing fancier, nothing hidden. Every batch is third-party assayed against this label, so what's on the label is exactly what's inside.
42 Servings
Per container
2 caps 3 times daily or as directed by your healthcare practitioner
Hypromellose
Store at room temperature
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