Verified review rating

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…

Shop Products

Over 3.9 million bottles sold worldwide!

Real Results From Our Customers

2.2 million Happy Clients Are Making Long Lasting Positive Changes With Happy Mammoth

Our science-based formulas adapt to your body's unique needs to improve your gut, hormones, weight, emotions, relationships, mood and much more...

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

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!"

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"

Hormone Harmony

This nature formula contains ingredients that can adapt to your body’s unique needs and challenges, so you can enjoy a perfectly balanced body. The ingredients are shown to help relieve symptoms of menopause, enhance energy levels, reduce bloating and much more...

Hormone Harmony™Hormone Harmony™
Best Seller

Hormone Harmony™

Rated 4.7 out of 5
Based on 23707 reviews
From $89.99 AUD
Get a healthy body balance

Prebiotic Collagen Protein

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.

Prebiotic Collagen ProteinPrebiotic Collagen Protein
Best Seller

Prebiotic Collagen Protein

Rated 4.8 out of 5
Based on 4074 reviews
From $69.99 AUD
Get your full-body rejuvenation

Take Your Free Health Assessment

Not sure where to start?

Take our free comprehensive gut & hormone health assessment to create your unique profile and receive personalized recommendations from our team of nutritional science experts.

Getting Started? Take the Quiz

ZERO Compromise When It Comes To  Science, Quality and Safety

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

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

Australian Produced Formulas Developed in Certified FacilitiesOur 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

Menopause eBook Cover

Your Menopause, Explained

Sign Up To The VIP Health Insiders Club Today And Get…

Our best-selling guide to understanding your menopause symptoms “What No One Told You About Menopause: Life-Disrupting Symptoms & Secret Natural Remedies to Get Relief”.

  • If you’re struggling with the symptoms of menopause, here’s all you need to know about what causes them and how to regain control of your body.
  • Backed up by the latest research discoveries published by Mayo Clinic, The Lancet, and more.
  • Down from $89.97 -> Now Free