Highlights
Explore various sensitivity tests for gut, skin, energy, and hormones, with options including radiance, vitality, and gut support drops
About This Deal
- Physical Kit Delivered
- At-Home Collection
- Results in 3-5 Days
A physical Holisys testing kit delivered to your door, complete with clear instructions, a hair sample collection kit, and a self-addressed return envelope to our US lab. Register your kit online, collect your sample at home, send it back, and receive personalized digital results.
Read Before Purchasing
A $5.99 shipping fee is paid on the Holisys website when redeeming your voucher and covers delivery of your physical kit and any included supplement. Return postage to our US lab is paid separately by the customer. Valid only for the option purchased.
Choose Your Test
- Gut Sensitivity Test, 1,000+ Items: For bloating, discomfort and sluggish digestion. Screens 1,000+ potential food sensitivities, plus gut markers like digestive enzymes (lipase, pepsin) and friendly gut bacteria (Lactobacillus, Bifidobacterium). Gut Support Drops included.
- Skin Sensitivity Test, 650+ Items: For breakouts, dryness and irritation. Screens 650+ potential food and environmental sensitivities, plus skin markers like collagen, hyaluronic acid and cortisol. Skin Support Drops included.
- Energy Sensitivity Test, 450+ Items: For persistent tiredness and low energy. Screens 450+ potential sensitivities, plus sleep and stress markers like melatonin and cortisol. Energy Support Drops included.
- Complete Sensitivity Test, 1,250+ Items: Our most comprehensive test, covering food, ingredient and environmental categories, plus every marker group we screen: digestion, gut flora, skin, sleep, stress and hunger hormones.
- Essential Sensitivity Test, 250+ Items: Our affordable entry-level at-home sensitivity test.
Every Kit Includes
- Physical Test Kit: Delivered directly to your door.
- Clear Instructions: Easy at-home hair sample collection.
- Self-Addressed Return Envelope: Send your sample back to our US lab.
- Personalized Digital Results: Typically within 3 to 5 business days once your sample reaches our lab.
- Wellness Support Drops: Included with Gut, Skin and Energy packages, delivered with your test kit.
How It Works
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Purchase on Groupon
Choose and purchase your preferred Gut, Skin, Energy, Complete or Essential option.
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Redeem on Holisys
Visit the Holisys website and select the same product you purchased on Groupon. Add it to your cart and enter your Groupon voucher code at checkout. Your code reduces the product price to $0, leaving only the $5.99 shipping fee.
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Receive Your Kit
Your physical kit ships to your door. Gut, Skin and Energy orders also include the corresponding support drops in the same shipment.
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Register, Collect & Return
Register your test online, follow the instructions to collect your hair sample, and place it in the self-addressed return envelope provided. Add the appropriate postage and send it to our US lab.
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Get Your Results
Receive your personalized digital sensitivity results, typically within 3 to 5 business days after your sample reaches our lab.
Need to Know
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Registration
Register your test online before returning your sample.
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Results
Typically available within 3 to 5 business days after your sample reaches our lab.
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Packaging
Packaging design may vary during our transition to updated packaging.
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Requirements & Restrictions
Internet access required. Valid only for the option purchased.
For wellness and informational purposes only. Not intended to diagnose, treat, cure or prevent disease.