Real Results From Our Customers

157,931+ Happy Clients Are Making Long Lasting Positive Health Changes With Happy Mammoth

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

Melissa P

Hormone Harmony
Rated 5 out of 5
I was having Menopause Symptoms like hot flashes, grumpiness & no sleep - now I'm a customer for life"

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!"

Rebecca R

Prebiotic Collagen Protien
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"

NEW & Ultra Potent 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! 

Get deep restful sleep naturally

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. 

Hormone Harmony™Hormone Harmony™
Best SellerOn sale

Hormone Harmony™

Rated 4.7 out of 5
Based on 3925 reviews
$79.19 AUD $89.99 AUD
Get a healthy hormone 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 1595 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