Allergies
Every formula in this collection.
The more you stock up, the more you save.
Every order builds toward free shipping and a bigger discount - automatically applied at checkout, no code needed.
Starting Nov 23, save up to 20%.
Your usual rewards are on right now. From Nov 23 to Dec 1, a brand new 20% tier unlocks at $399.
Stock up and save up to 20%.
Free shipping and bigger savings as your cart grows. The first tiers apply on their own at checkout. At $399+, add code BLKFY26 for 20% off.
Sale runs Nov 23, 12:00 AM to Dec 1, 11:59 PM Central Time (CT). Microbiome and Mold Detox bundles, honey, mold-cleaning products and lab tests are excluded. Free shipping is for U.S. orders. Percentage discounts don't combine, you get the highest tier you reach. On subscriptions, BLKFY26 applies to the first order only.
Your gut symptoms may have a root cause a test can reveal.
The GI-MAP screens for pathogens, parasites, fungi, and digestive markers, so you can stop guessing and start targeting.
Explore the GI-MAP Test →