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Greatest thing Ever

I have lost 29 lbs in last 2 months. I can sleep without waking up in a pool of sweat and my moods have not been as crazy. I would definitely recommend this product!

— Tammy N.
⭐⭐⭐⭐⭐ Over 41,724 Five Star Reviews

Get Your Old Self Back Naturally™

Our natural evidence-based formulas are transforming the lives of over 2.2 million Women worldwide. Regain control of your health, emotions and wellbeing starting NOW…

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Over 3.9 million bottles sold worldwide!

Real Results From Happy Mammoth Customers

2.2 million Women Are Making New Long Lasting Positive Health Changes

Our science-based formulas adapt to your unique gut and hormonal imbalances so you can live free of bloating, pain, inflammation, rapid aging and irritating hormone troubles. This way, you can lose weight faster, enjoy long-lasting energy, effortless digestion, balanced hormones, youthful skin and a happy mood!

See Real Results From Happy Mammoth Customers

Jenny T.

Hormone Harmony
Rated 5 out of 5
"After 4 weeks on Hormone Harmony, my hot flashes have completely gone. Now I've got more energy and I'm sleeping better"

Melissa R

Prebiotic Collagen Protein
Rated 5 out of 5
"I suffered from gas, bloating, food intolerances and brain fog until I found relief with Prebiotic Collagen Protein & Ultra Absorb L-Glutamine"

Sue L

Prebiotic Collagen Protein
Rated 5 out of 5
"This helped me heal my leaky gut & get my symptoms under control. Thank you Happy Mammoth!"

Complete Gut Repair

This 2-in-1 premium formula has helped over 30,000 people improve gut health, fat burning and skin health. The organic blend of prebiotics skyrockets gut healing and weight loss, whilst the premium collagen rejuvenates the gut lining, joints, skin, hair and nails from the inside out.

The Complete Gut RepairThe Complete Gut Repair

The Complete Gut Repair

Rated 4.7 out of 5
Based on 5490 reviews
From £54.99
Get your full-body rejuvenation

Hormone Harmony

This hormone-balancing formula adapts to your body’s unique needs and challenges, so you can enjoy perfectly balanced hormones as you go through Perimenopause, Menopause, PCOS and their irritating symptoms such as cramps, hot flashes and mood swings. 

The Hormone Harmony™The Hormone Harmony™
Best Seller

The Hormone Harmony™

Rated 4.7 out of 5
Based on 21537 reviews
From £54.99
Get a healthy hormone balance

Deep Sleep Mode

The most comprehensive natural formula that gets you sound asleep 36% faster and keeps you in restful, deep sleep mode for the rest of the night — so you can wake up feeling rested, refreshed, and brimming with energy every day without any habit-forming prescription meds! 

The Deep Sleep Mode™The Deep Sleep Mode™
Best Seller

The Deep Sleep Mode™

Rated 4.7 out of 5
Based on 1375 reviews
From £54.99
Get deep restful sleep naturally

ZERO Compromise When It Comes To  Science, Quality and Safety

When Matt started Happy Mammoth, he listed all the things he disliked about most other supplement companies… and then did the exact opposite.

That’s why Happy Mammoth is proud to create and sell ONLY…

American, European and Australian produced formulasOur products are made in FDA, TGA, HACCP and ISO9001 Quality Management System certified facilities. Matt even conducts his own regular in-person inspections of each facility himself to guarantee quality.
Natural Products With NO Artificial AdditivesNo artificial colours, sweeteners, flavours, fillers, binding agents, weird ingredients you can’t pronounce or inflammatory additives your body doesn’t need. We’ve kept it totally natural as Mother nature intended.
Science-backed Ingredients At Evidence Based DosagesOur Research & Development Team spend all day, everyday, researching the latest scientific studies to find the most bioavailable ingredients and dosage amounts to get you maximum results in minimum time.
Gluten, Lactose & Dairy FriendlyOur products are Gluten and Dairy friendly and are free from harmful GMOs, soy, corn and added sugars.


Science-based natural solutions and cutting edge medical research on gut and hormone health