Welcome to Groupon Customers

Thank you for purchasing through Groupon! You’ll receive a physical Holisys test kit in the post — this includes everything you need to collect and return your hair sample.

To ensure your kit is dispatched correctly, you must redeem your Groupon code on this page.

Please select the product you ordered from the dropdown at the bottom of this page and add to cart.

How to Redeem Your Groupon Code

  1. Select the same Holisys product you purchased on Groupon (using the dropdown below).
  2. Add it to your basket and proceed to Checkout.
  3. Enter your Groupon redemption code — price reduces to $0.
  4. Pay shipping only ($5.99).

What Happens Next

Your kit is dispatched
Once redeemed, we’ll send your kit.

Collect your sample
Collect 10–15 strands of hair.

Return your sample
Use the return envelope provided.

Receive your results
Results processed in 3–5 working days.
You’ll receive an email when results are ready to view on your secure dashboard.

Please complete all sections during redemption to avoid delays.

Select your Groupon product

Open the dropdown, choose the exact product you purchased, then click “Select & add”.

Gut Health Sensitivity Test + Gut Support Drops

Gut Health Sensitivity Test + Gut Support Drops

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Energy, Hormone & Sensitivity Test + Vitality Energy & Stress Support Drops

Energy, Hormone & Sensitivity Test + Vitality Energy & Stress Support Drops

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Skin, Immune & Sensitivity Test + Radiance Support Drops

Skin, Immune & Sensitivity Test + Radiance Support Drops

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Complete Gut, Skin & Energy Sensitivity Test Includes 3 Supplement Drops

Complete Gut, Skin & Energy Sensitivity Test Includes 3 Supplement Drops

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Complete Gut, Skin & Energy Sensitivity Test (no supplement)

Complete Gut, Skin & Energy Sensitivity Test (no supplement)

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Complete Gut, Skin & Energy Sensitivity Test — Family Pack of Five

Complete Gut, Skin & Energy Sensitivity Test — Family Pack of Five

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Essential Sensitivity Test Physical Kit

Essential Sensitivity Test Physical Kit

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If you accidentally choose the wrong one, you can remove it from your cart and select again.

Any issues with your Groupon journey?

Tap below and our team will help you with activation, postage or supplement queries.

What can we help with?

Send us your details and we’ll get back to you as soon as possible.

View our tests

Simple, Symptom-First Wellness — Without the Overwhelm

No giant item lists. No 50-page PDFs. Our hair-based wellness screenings focus on patterns linked to real-world symptoms — like bloating, low energy, skin flare-ups and stress — with a clean Digital Results Dashboard and free live chat support.

Why We’re Different

  • Symptom-led insights you can act on (not just numbers)
  • Clear dashboard — no long PDFs or confusing jargon
  • Physical kit delivered + return envelope included
  • Matching support drops included
    Gut and Energy bundles include the relevant vegan liquid drops
  • Complete screening option available
    Our widest library for customers who want the full picture

Balance guided by how you actually feel — not by how many items we can list.

What to Choose

  • Gut Health Sensitivity Test — digestion & everyday reactivity focus
    Includes Gut Support Drops
  • Energy, Hormone & Sensitivity Test — energy, sleep & stress patterns
    Includes Vitality Energy & Stress Support Drops
  • Skin, Immune & Sensitivity Test — skin & immune balance focus
    Includes Radiance Support Drops
  • Complete Gut, Skin & Energy Sensitivity Test — our widest screening library
    No drops included

Tip: Most customers choose based on their main symptoms — gut, skin/immune, or energy — then follow their dashboard guidance for a calm, step-by-step reset.