The Complete Gut Synergy System

Product Highlights

  • 100% natural ingredients validated by scientific studies
  • Scientifically dosed ingredients in high potency form
  • Natural flavours that mix well with any drinks or foods
  • 50,289+ Australians use these formulas every day
  • 60-day money-back guarantee with every order

The Complete Gut Synergy System

  • Prebiotic Collagen Protein repairs the gut lining and helps restore good gut bacteria
  • Slimfit Supergreens enhances our ability to handle stress, improve focus, and maintain calm
  • Ultra Potent Deep Sleep Mode promotes deep, restful sleep to help the body recover and perform at a higher level
  • All-natural ingredients work synergistically for maximum results
  • Formulated to eliminate digestive discomfort, brain fog, fatigue and premature aging
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  • The Complete Gut Synergy Package Consists Of:

    Prebiotic Collagen Protein: Heal your gut lining to eliminate gas, bloating and IBS. Magnify the anti-bloating effects of your good gut bacteria with Prebiotic's up to 37.1%

    Happy Mammoth Prebiotic Collagen Protein supplies your body with a highly concentrated amount of amino acids such as glycine, proline and lysine which are needed by your body to regulate cell function and build connective tissue structures.

    Our hydrolyzed collagen protein is extremely bioactive, containing over 90% of pure protein which is quick and easy to digest. The high levels of glycine and other amino acids can help heal your gut lining, boost energy production and help support weight loss. Our Prebiotic Collagen Protein is also much easier to digest than other protein types.

    Prebiotics are different types of special fibres that encourage beneficial species of gut flora to grow. Our prebiotic blend helps to maintain a healthy intestinal environment and may assist with preventing bloating and other digestive discomforts while supporting the proper digestion of food.

    Probiotic Power Greens: 30 billion research backed probiotics to help repopulate your numbers of good gut bacteria and the super phytonutrient—sulforaphane

    Happy Mammoth Organic Probiotic Power Greens is the only scientifically formulated blend consisting of probiotics, antioxidants and cruciferous superfoods. Together, this formula is a bioavailable powerhouse and assists in the yielding of super phytonutrient sulforaphane.

    The intense concentration of probiotics, phytonutrients and antioxidants may assist in overcoming nutritional and digestive deficiencies, boosting daily energy levels, lowering systemic inflammation and turbocharging your body’s ability to burn fat.

    The cruciferous vegetables found in Probiotic Power Greens are certified organic and naturally cold-pressed. This advanced processing technique ensures that ALL nutritional value is retained in the powder and is what gives the powder its vivid green colour.

    Ultra Potent Deep Sleep Mode promotes deep, restful sleep to help the body recover and perform at a higher level

  • The Science-Backed Benefits of The Complete Gut Synergy Package

    Equilibrium in your gut and improve digestion

    Prebiotics are directly responsible for stimulating the growth of beneficial bacteria that make up your gut microflora. Prebiotic compounds function as food for the gut and help balance the harmful bacteria and toxins living in the digestive tract. Research has found that increased intake of foods high in prebiotics can help increase numerous types of beneficial bacteria in the gut including Lactobacillus rhamnosus GG, L. reuteri, bifidobacteria, and certain strains of L. casei or the L. acidophilus-group. One of the benefits of having good bacteria in the gut is that they’re able to use fiber from the foods that we eat (otherwise un-digestible) as a source for their own survival. As your gut bacteria metabolize fibers from foods, they produce short-chain fatty acids that are highly beneficial. One of these beneficial fatty acids is called butyric acid, which improves the health of the intestinal lining. Short-chain fatty acids also help regulate electrolyte levels in the body, including sodium, magnesium, calcium and water which are important for proper digestion, producing bowel movements, preventing diarrhoea and so on.

    Feel fuller for longer-this alone makes it easier to stick to your diet

    Studies show that collagen peptides consumed before or at breakfast are 41% more satiating than other proteins (such as whey or soy) and correlate to a 22% reduction of food intake at lunch. Now you can finally help reduce those annoying sugar cravings and perform throughout the day at your peak. Additionally, the amino acids in collagen provide unique soothing and healing properties for the digestive tract. The high concentration of the amino acid glycine stimulates stomach acid production, improving digestion and nutrient absorption in the gut. Low stomach acid is a chronic problem that leads to a raft of problems in the body, so increasing stomach acid helps alleviate many other chronic health problems.

    Balance your hormones and slow aging

    Collagen peptides (when compared to other protein sources such as whey) are low in the problematic amino acids, cysteine, methionine, and histidine. Using collagen peptides as a major dietary protein source is an easy way to restrict these amino acids which are associated with aging. By helping to balance the tryptophan, collagen can supports healthy thyroid function and reduces the metabolic stress of increased cortisol. Thyroid and metabolism go hand-in-hand, so gelatin may actually increase metabolism by improving thyroid function.

    Contains The World’s #1 Highest Source of Anti-Aging Super Nutrient—Reduce Dark Circles and Under Eye Bags

    Vitamin C is actually an antioxidant. The baobab fruit is the world’s number one source of bioavailable Vitamin C when compared to all other fruits and vegetables. Vitamin C has been shown to reduce dark circles and under eye bags, reduces skin discolouration, speed up wound healing, keep the skin looking younger, improving skin moisture and hydration and reducing full-body inflammation. The high amount of this particular vitamin is why baobab is a wonderful anti aging food source. Vitamin C also helps the body form elastin and collagen . Vitamin C also improves circulation and plays an important role in helping the body absorb more nutrients.

    Combat Slowed Iron Absorption For A Higher Level Of Cognitive Function For Clearer and Faster Thinking

    Iron deficiency is one of the worlds most common nutritional disorders in women. The deficiency causes anemia, which occurs when the body has decreased levels of haemoglobin in red blood cells. These low levels hinder your body’s ability to access oxygen which leads to fatigue, shortness of breath and muscle weakness. Whilst baobab is high in iron, your body is not always able to absorb it. Baobab contains phenomenal levels of Vitamin C which is widely known to enhance the absorption of iron.

    Keep Blood Sugar Levels Under Control To Kill Fatigue And Avoid Stroke, Heart Disease and Chronic Skin Problems For A Higher Lifespan

    Baobab’s rich polyphenol content has been scientifically proven to reduce the glycemic response when consuming high-starch foods. The study found a significant reduction in the conversion of rapidly digestible starches from white bread into sugars in our blood when consuming this together with Baobab. This stabilising effect is of much interest as a potential for managing blood sugar levels. Baobabs rich fibre content also helps control blood sugar levels, which prevents any sudden fluctuations that may lead to feelings of fatigue, headaches, and, over the long-term, serious health conditions like diabetes.

    Helps Your Body Repair Damaged And “Out of Control” Cells That Lead to Advanced Aging and Rapid Skin Decay

    Together with advanced and faster ageing, cell damage is also heavily responsible for diabetes, alzheimer’s and cataracts. Baobab is one of the world’s richest sources of antioxidants, which are important for overall health because they help delay, repair, or prevent the damage to our cells caused by free radicals. This cell damage can result in serious health conditions such as diabetes, Alzheimer’s, and cataracts.

    The Most Powerful Digestive Enzyme In The Entire World

    Certain compounds found in papayas help you break down and utilise proteins properly. The most powerful enzyme found in papaya is Papain which has the ability to break apart the bonds between amino acids which are the building blocks of protein. This enzyme is very helpful for people with low stomach acid who have trouble digesting meat. It also turbocharges protein absorption once it has been digested. People with digestive disorders such as leaky gut, irritable bowel syndrome, inflammatory bowel disease, autoimmune disease and even constipation can benefit from adding papain into their diets.

    Dramatically Strengthen Your Blood and Platelet Count

    There has been a lot of interest in papaya and its ability to help increase the amount of platelets in the blood. A study conducted found that those given papaya leaf extract had significantly higher platelet and red blood cell counts after 72 hours compared to those in the control group. Researchers believe that papaya extract may eventually be a treatment for people with blood disorders.

    Attacks The Protective Coating Found On Cancer Cells

    Since it can breakdown proteins, the digestive enzyme Papain may be able to attack the protective coating found on cancer cell walls which could prevent their growth. There is significant interest in this area of the cancer and diet connection and how enzymes like papain can be used in helping treat cancer. Beta-Carotone, Vitamin C and Fibre have all been linked to decreased risk in cancer. Fiber also acts to reduce the cancer-causing toxins in the digestive system.

    The Highest Total Antioxidant Capacity To Protect Your Skin Against Free Radical and Reactive Oxygen Damage

    Antioxidants fight harmful free radicals and prevent cell damage. They also protect you from several types of crippling chronic disease including cancer, heart disease and diabetes. Studies have consistently shown that blueberries contain the highest total antioxidant capacity but also, one of the greatest varieties. This includes flavonoids, anthocyanins and phenols. A recent study even showed that participants supplementing with blueberry powder increased serum antioxidant status by 8.5% after just one hour.

    Studies Indicate Blueberries Amp Up Weight Loss Fast

    Several studies now have shown the exciting effects of blueberries when it comes to weight loss. Blueberry powder has been shown to prevent obesity in subjects that were fed a high fat diet. Another study by the Cardiovascular Center and the Michigan Integrative Medicine Program showed that the intake of blueberry powder was linked a reduction in belly fat in obese subjects.

    Boost Brain Health and Cut Through The Brain Fog For Clear Thinking

    Many studies have now shown that blueberries improve memory, recall and cognition. A landmark study by the European Journal of Nutrition demonstrated significant cognitive improvement and immediate recall time in children compared to the placebo group.

    Stop Collagen Destruction and Skin Damage

    Anthocyanins in blue blueberries have been reported to reduce the ultraviolet ray-induced skin photoaging effect as well as inhibiting collagen destruction and inflammation.

    Boost Your Healthspan With Anthocyanin Power (Early Death Resistant)

    Anthocyanins are a type of flavonoid, a family of powerful antioxidants that fight the effects of aging and oxidative stress. They play a key role in fighting the damage caused by free radicals in your body which leads to numerous diseases and aging. Anthocyanins also help protect cells, vital organs and tissues from oxidative damage and stress. Research even indicates that anthocyanins have a positive impact on gut health when they interact with microflora. This can help decrease inflammatory markers associated with disease and support health hormone balance

    Stop Premature Skin Damage Such as Drying, Peeling, Wrinkles and Follicular Thickening of The Skin (And Stop Your Skin Cells From “Drying Out”)

    When combined with Vitamin A, Carotenoids help prevent skin cancer and premature skin damage. Diets high in carotenoids help prevent UV light damage (which can lead to melanoma), wrinkles, scaling, follicular thickening of the skin, drying and aged-looking skin. Vitamin A also helps prevent keratinisation of the skin which is a process that causes your cells to lose their moisture and become very dry.

    The ‘Missing’ Synergistic Link To Superior Digestive Health

    The concept of ‘good’ bacteria is central to the idea of postbiotics. By introducing prebiotics to our digestive systems, and by nurturing probiotic function, we are already taking steps to foster these good bacteria within our bodies. It is postbiotics which complete this cycle, and which provide further support and promotion to the formation of these all-important positive bacterial strains.

    Terminate Free Radicals (High Betalain Content)

    Beetroots are abundant in an antioxidant called alpha-lipoic acid which has been shown to lower glucose levels, increase insulin sensitivity and prevent oxidative stress-induced changes in patients with diabetes. Scientists have stated that alpha-lipoic acid terminates free radicals and increases vitamin C and cytosolic glutathione, thus preventing toxins that have the powder to destroy the health cells in your body.

    Boosted blooded flow for enhanced energy, performance and stamina

    Beetroot increase the oxygen-carrying capacity of the blood and has also been found to reduce the amount of oxygen that muscles require in order to function optimally. Three studies have consistently shown beetroots ability to improve athletic performance in time trials, weight lifting and runners and enhance blood flow because it’s abundant in nitrites. The precursor to the powerful physical performance enhancer, nitric oxide.

    Resveratrol Causes Powerful Biological Activities Which Display Anti-Cancer Properties

    Striking research from the Department of Pharmacology reveals one of the most powerful biological activities of resveratrol which has been soundly investigated is its cancer-chemopreventive potential. In fact, studies have shown that it “blocks” the carcinogenesis at various stages: tumor initiation, promotion, and progression. Scientists believe resveratrol down-regulates your body’s inflammatory response through the release of an abundance of anti-inflammatory compounds.

    Quickly Suppress Damaging Compounds Which Trigger Chronic Inflammatory Responses In Your Body

    Resveratrol limits your body’s ability to produce two dangerous molecules known to trigger full-body inflammation, phospholipase D and sphingosine kinase. Other studies have shown the compounds potential to limit cyclooxygenase enzymes. These nasty molecules trigger inflammatory responses that damage tissue throughout your body. Now, your body naturally produces inflammation as a means of healing itself. However, a state of constant full-body inflammation is the cause of almost every chronic disease in humans.

  • Over 300 reviews

    I must say I’m very happy with this one. I’ve noticed a big difference with my skin and even the dark circles in my eyes have slightly diminished. My bowel movement have been regular too, no more constipation! I have been putting it in my morning smoothie together with the digestive super cleanse. I’m halfway on my second tub but will continue using it along with adding the other products. Thanks again :) - Michelle S.

    I have been having this once a day for the last two weeks. My energy levels have definitely increased, I am no longer tired in the afternoon, I am not bloated anymore and I am getting a better nights sleep. My skin looks brighter and isn’t as dried out. Will definitely continue using this product. - Lauren G.

    This stuff is amazing! After using it for a month, I noticed my nails are stronger than ever, my hair is growing so fast and my digestion has improved immensely. I have it every single day and wouldn’t be without it now! - Melinda C.

    Had never been quite right after an emergency surgery on my large intestine a few years ago. Chronic issues with my bowels and stomach..what I could and couldn't eat. I was so frustrated and weak. Two weeks after Taking the prebiotic collagen protein I am almost normal again. Added advantage after a month my hair is thicker and not as fly away and my skin quality is improving. I am the eternal skeptic with all things but this stuff actually works. Very impressed and now my partner has jumped on board too. - Paula S.

    "Love this I can feel the difference . I am so glad I came across this on Face book. This is my second order on Prebiotic Collagen. Hubby is also using this now and even he can feel the difference esp in bloating. We are both in our late 60’s. love the taste easy to mix.What a great gut health product . Thank you." — Salome J.

    I don’t normally do reviews, however I d like to let you know I m loving this protein powder. The real vanilla taste and smooth texture makes everything super delicious. I ve just finished my first tub and I’m coming back for more as I’ve had no indigestion, no bloating or tummy upsets since using the prebiotic powder in my smoothies. Thankyou Happy Mammoth 😊— Susie C.

  • Natural and Ethically Sourced Ingredients

    Postbiotic Beauty Reds Ingredients: Postbiotics (Butyrate Acid), Organic Baobab Powder, Organic Cacao Powder, Organic Beetroot Powder, Strawberry Powder, Diatomaceous Earth, Blueberry Powder, Papaya Powder, Resveratrol, Natural Raspberry Flavour, Stevia Leaf Extract

    Prebiotic Collagen Protein Ingredients: Hydrolyzed Collagen Peptides, Organic Chicory Root, Organic Sprouted and Fermented Golden Pea Fibre, Natural Vanilla Flavour, Natural Stevia-Leaf Extract and Vanilla Beans.

    Probiotic Power Greens Ingredients: Certified Organic Australian Broccoli Sprout Powder, Certified Organic Matcha Powder, Probiotic Power Blend (30 billion CFU/g) (Lactobacillus acidophilus, Lactobacillus plantarum and Lactobacillus rhamnosus), Certified Organic Kale Powder, Certified Organic Alfalfa Sprout Powder, Natural Pineapple Flavour, Natural Vanilla Flavour and Natural Stevia Leaf Extract

  • Prebiotic Collagen Protein repairs the gut lining and helps restore good gut bacteria
  • Slimfit Supergreens enhances our ability to handle stress, improve focus, and maintain calm
  • Ultra Potent Deep Sleep Mode promotes deep, restful sleep to help the body recover and perform at a higher level
  • All-natural ingredients work synergistically for maximum results
  • Formulated to eliminate digestive discomfort, brain fog, fatigue and premature aging

Supports Optimal Gut Health

Prebiotic Collagen Protein helps seal fissures in the gut lining that lead to bloating, gas, discomfort, pain, reflux, food intolerances, diarrhea or constipation. The formula also repopulates the gut with health-promoting bacteria for improved digestion, immunity, and brainpower.

Boosts Total Wellness

Slimfit Supergreens is packed with a diverse range of valuable minerals, vitamins, antioxidants, and phytocompounds. This potent blend helps to prevent nutritional and digestive shortcomings that can impact energy levels, mood, and overall health.

All the Benefits of a Good Night’s Rest

Ultra Potent Deep Sleep Mode not only improves mood and brain function, but also works to help repair and regenerate cells which can reduce the signs of aging and provide the immune system with a boost.

Natural Ingredients Featured In

Before and After Stories Directly From Our Customers

The Health Benefits Of The Complete Gut Synergy System

What It Does and How It Does It

The Complete Gut Synergy System is a package that contains 3 Happy Mammoth formulas that work together to repair the gut lining, reduce bloating and gas, boost nutrient absorption, promote healthy weight loss and prevent premature aging.


This natural system also helps eliminate brain fog, low energy and chronic inflammation, laying the perfect foundation for a rejuvenated body and improved overall health.

The Complete Gut Synergy System is a done-for-you natural system. All three blends work synergistically to eliminate digestive discomfort, boost energy levels, and to prevent premature aging:

  • Prebiotic Collagen Protein repairs the gut lining and helps restore good gut bacteria

  • Slimfit Supergreens increase natural energy levels while decreasing feelings of stress… that show up on your face!

  • Ultra Potent Deep Sleep Mode improves the body’s natural repair system through a good night’s rest

All it takes is 2 scoops per day plus 4 capsules before bed, without any disruptions to daily routines.

* Easy To Understand Summarised Scientific Studies *

The Science Behind The Ingredients In Complete Belly Reset

  • Collagen is 36% more filling than other proteins, which can reduce sugar cravings, snacking and overeating. Collagen is also known for making skin smoother and reducing wrinkles and fine lines. Plus, it helps improve bone and joint health.

  • With 137x more antioxidants than green tea, Matcha is high in L-theanine, an important amino acid found in tea that promotes a state of deep relaxation and well-being. Studies suggest that L-theanine may also have antibacterial benefits and help enhance cognitive power.

  • Prebiotics help power good bacteria while crowding out the bad ones. This helps reduce symptoms associated with yeast overgrowth, helps with nutrient absorption and can prevent mood disorders by working at the gut-brain axis.

  • Magnesium Glycinate improves the quality and duration of sleep - including sleep onset latency. More restorative rest means the body has more time to repair cells resulting in strong, healthy, and beautiful nails and hair.

  • Broccoli sprouts are abundant in important vitamins, minerals and nutrients including: Gallic, chlorogenic, ferulic, sinapinic, benzoic and salicylic acids, quercetin, kaempferol, dietary fiber, pantothenic acid, vitamin B6, vitamin E, manganese, phosphorus, choline, vitamin B1, vitamin A (in the form of carotenoids), potassium and copper.

  • Skullcap Root assists the nervous system in regulating signs of anxiety and promoting natural relaxation. It also contains anti-inflammatory properties which protect cells from damage and can reduce the pain of those suffering from IBS or arthritis.

  • Alfalfa sprouts can help women minimize symptoms related to menopause and menstruation. Rich in Vitamin K, a blood-clotting vitamin, it can help reduce excessive bleeding that can lead to painful cramps. The combination of vitamin K and phytoestrogens also has an effect on regulating estrogen in women of all ages.

  • When combined with Vitamin A, Carotenoids help prevent skin cancer and premature skin damage. Diets high in carotenoids help prevent wrinkles, drying and aged-looking skin. Vitamin A also helps prevent keratinisation of the skin which is a process that causes your cells to lose their moisture and become very dry.

Pioneering World-Leading Quality Standards & Testing

Gut Friendly Certified

Know with absolute confidence that the Complete Gut Synergy System is free from the established 69 known gut irritants.

Heavy Metal Tested

Know with absolute confidence all ingredients have been examined for Heavy Metals using world class testing methods.

100% Natural Product

Free from artificial fillers, preservatives, artificial sweeteners, binding agents and other additives your body doesn’t need...

Frequently Asked Questions

What are the products in this formula?

The Complete Gut Synergy System is made of Prebiotic Collagen Protein, Slimfit Supergreens and Ultra Potent Deep Sleep Mode.

✔ Prebiotic Collagen Protein promotes optimal digestion and boosts nutrient absorption

✔ Slimfit Supergreens load the body with vital nutrients that improve mood and provide extra energy 


✔ Ultra Potent Deep Sleep Mode prevents premature aging and supports cellular rejuvenation

How do I use this product?

We recommend consuming 15g (one scoop) of Prebiotic Collagen Protein with or after breakfast.


We then recommend taking 10g (one scoop) of the Slimfit Supergreens after lunch for a gentle and sustained energy kick to power you through the afternoon.


And finally, 90 minutes before going to sleep, take 4 capsules of Ultra Potent Deep Sleep Mode to help drift off into a restful, restorative slumber.

How does the formula taste?

All these formulas have subtle natural flavours that mix perfectly with drinks or food without tasting too sweet. That makes them perfect for blending into smoothies, meals or even consuming with a glass of filtered water.

Where is the formula produced?

Every formula in The Complete Gut Synergy System is produced in small batches to maintain ultra high-quality levels in a HACCP and International Standards 9001 Certified facility in sunny Queensland, Australia.

Can I use The Complete Gut Synergy System with other products?

Yes, you can add Ultra Absorb™ L-Glutamine to this system for maximum results.


We recommend consuming 5g of Ultra Absorb™ L-Glutamine in 200-300ml of water first thing in the morning on an empty stomach.


We then recommend consuming the 15g (one scoop) of Prebiotic Collagen Protein and 10g (one scoop) of Postbiotic Beauty Reds together with or after breakfast.


Then you can take 10g (one scoop) of the Slimfit Supergreens after lunch for a gentle and sustained energy kick to power you through the afternoon.


And finally, 90 minutes before going to sleep, take 4 capsules of Ultra Potent Deep Sleep Mode to help drift off into a restful, restorative slumber.