OneFit® Chocolate
$140.00
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Training, nutrition, recovery & sleep tips from world champions
One sachet replaces your protein powder, electrolytes, multi-vitamins, creatine, l-carnitine, probiotics and Branch Chain Amino Acids.
Australia made and NATA tested
30-day Satisfaction Guarantee
No fillers, binders, gums, sugars, artificial flavors, bulking agents, or empty promises
Your week in review
Collagen Peptides
Micronized Creatine Monohydrate
Glycine
Magnesium Citrate
BCAAs
L-Carnitine
Advanced Hydration System
Vitamins, Minerals & Probiotics
Turmeric & Pomegranate Extract
31 Performance and Recovery Essentials
Our products are always delivered in monthly supplies, and you have the flexibility to pause, adjust, or cancel your auto-delivery anytime. There are no lock-in contracts or agreements with First or Nothing. One of our core values is reducing waste, so we ensure you only receive what you need, when you need it—without the hassle of buying large quantities that might go unused.
Currently Version 4.4
Creating a formula and leaving it unchanged for years simply doesn’t work—science evolves, and so should supplements. It's concerning to see outdated formulas still on the market after a decade without improvements. With OneFit, we prioritize regular testing and continuously update our product to stay at the forefront of dosage accuracy and ingredient innovation. As new research emerges, we refine our formulations for better bioavailability and optimal performance, ensuring each ingredient works in harmony for maximum results. You deserve the best, not a product stuck in the past.


66-Day Habit-Forming Challenge with Dr Kate Harmsen & UNSW Dr Martin Lindley
Jumpstart your wellness journey with our 66-day challenge, designed to help you form lasting, healthy habits. Led by First or Nothing's educational series hosts, Dr. Kate Harmsen and Dr. Martin Lindley, Director of Research at UNSW, this series combines expert insights with practical tips for integrating our blends into your routine for sustainable results. Join the challenge, gain exclusive guidance, and make wellness a habit that lasts.
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Extreme Performance with HYROX Champ Lachie Clancy
Trusted by elite athletes, One Fit is crafted to support peak performance when it counts. Both inside and outside the gym.
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Redefining Your Simple
Our expertly crafted blends bring together essential nutrients in one convenient sachet, making it easy to stay consistent and see real results. No more multiple supplements—embrace a simple yet powerful routine that works seamlessly with your lifestyle.
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Unmatched Quality, Every Step of the Way
Quality is more than a promise—it’s our practice. Every blend is crafted in-house, with rigorous quality control and third-party testing to ensure purity, potency, and transparency. We go beyond industry standards, so you know exactly what you’re putting into your body, every single time.
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Built to perform
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Performance Complex
Boosts strength and endurance with creatine, BCAAs, L-Carnitine, glycine, and protein powder for muscle support and recovery.
Boosts strength and endurance with creatine, BCAAs, L-Carnitine, glycine, and protein powder for muscle support and recovery.
Creatine is the primary energy currency for muscles, essential for those looking to build lean muscle and enhance athletic performance. It also offers cognitive benefits, such as improved mental clarity and focus, making it a versatile supplement for both physical and mental enhancement.
Creatine supports muscle cells by replenishing ATP (adenosine triphosphate), the energy source for muscle contractions.
The inclusion of creatine monohydrate in OneFit optimises performance by enhancing strength and muscle recovery. It plays a crucial role in supporting both physical and cognitive functions, making it ideal for those seeking comprehensive enhancement.
You can expect to see improvements in strength within 2 weeks of consistent training and supplementation, with an energy boost manifesting within 7-10 days of taking OneFit.
BCAAs are essential amino acids crucial for muscle recovery, repair, and growth. Comprised of L-Leucine, L-Isoleucine, and L-Valine, they directly fuel muscle energy needs and support protein synthesis. Adequate intake of BCAAs can enhance endurance, reduce muscle soreness, and promote overall performance.
BCAAs play a vital role in building muscle protein, especially for fitness enthusiasts.
The inclusion of BCAAs in OneFit directly fuels muscle energy needs and supports protein synthesis, leading to improved performance and endurance. This combination enhances overall recovery and promotes lean muscle development.
Users can expect noticeable effects within 7-10 days of consistent supplementation and exercise.
L-Carnitine enhances fat conversion into energy during exercise, contributing to muscle building and optimising nutrient absorption. In OneFit, its effects are significantly amplified when combined with other ingredients, leading to noticeable weight loss and improved body composition within the first month of resistance training.
Users can expect to see results within the first month of resistance training, as L-Carnitine aids in fat conversion and muscle building.

Advanced Hydration Complex
Delivers 3-4 electrolyte supplements and high-dose magnesium for optimal hydration and muscle function.
Delivers 3-4 electrolyte supplements and high-dose magnesium for optimal hydration and muscle function.
Magnesium is a vital mineral essential for optimal bone health and muscle function. Since the body can't produce it, dietary supplementation is crucial. Magnesium also promotes relaxation, reduces stress, and supports cognitive function, making it an important addition for overall wellness.
Magnesium plays a pivotal role in post-workout replenishment by counteracting muscle fatigue and joint strain caused by intense exercise.
The inclusion of magnesium in OneFit supports muscle function and enhances overall recovery. It contributes to post-workout replenishment and aids in maintaining optimal bone health, making it essential for fitness enthusiasts.
Although the effects may not be immediate, magnesium helps ease the adjustment to new supplements and can improve sleep quality within a week, promoting a calming effect on the nervous system.
Potassium is an essential electrolyte crucial for heart, blood, nerve, and muscle functions, making it vital in electrolyte drinks.
Potassium works with calcium and magnesium to lower blood pressure and maintain muscle, bone, and heart health, aiding rehydration.
Potassium acts immediately in OneFit, promoting instant hydration and reduced fatigue.
Sodium chloride is a crucial electrolyte that aids in rapid rehydration and digestion, making it a vital component of OneFit.
In OneFit, sodium chloride enhances nutrient absorption in muscles, maintains blood volume during workouts, and supports the digestion of BCAAs and collagen peptides.
You can expect immediate revitalization and rehydration within minutes of consuming OneFit, helping sustain energy levels during exercise.

Recovery Complex
Supports fast recovery with collagen for joint repair and antioxidants like curcumin and turmeric to reduce inflammation.
Supports fast recovery with collagen for joint repair and antioxidants like curcumin and turmeric to reduce inflammation.
Collagen is the backbone of your body's structure, vital for bones, ligaments, tendons, muscles, and skin. It supports muscle growth and enhances joint and skin health, making it an essential supplement for fitness enthusiasts and anyone looking to maintain overall well-being.
Magnesium plays a pivotal role in post-workout replenishment by counteracting muscle fatigue and joint strain caused by intense exercise.
The inclusion of collagen peptides in OneFit fills a nutritional gap often missing from regular diets. It enhances muscle toning, joint health, and skin elasticity, making it a powerhouse for overall tissue support and recovery.
You can expect to notice improvements in post-workout recovery within 1-2 weeks. Benefits for skin, nails, and hair typically appear after 8-12 weeks of consistent use. Significant strength and joint flexibility enhancements are expected within 15-20 weeks.
Glycine, a semi-essential amino acid, is vital for optimal performance, especially during physical stress from exercise, injury, or illness. While the body produces it, supplementation enhances cellular health and function, supporting muscle repair and metabolic processes.
Glycine accelerates post-workout recovery by combating muscle wear and tear, preserving collagen, and protecting against oxidative stress.
The inclusion of glycine in OneFit supports overall performance by enhancing recovery and digestion. Its role in collagen preservation and metabolic health makes it essential for anyone looking to optimise their fitness journey.
Expect noticeable improvements in muscle repair and recovery within a month of consistent use.
Malic acid, found in apples, is a natural energy booster that enhances the effects of other muscle-building nutrients in OneFit.
In OneFit, malic acid works synergistically with creatine to enhance performance, as demonstrated by improved power and body composition in studies. It also aids iron absorption for better oxygen delivery to muscles and helps lower the glycaemic index of sugar-rich foods when combined with citric acid. Together with magnesium, it combats chronic fatigue and optimises metabolic processes.
Expect to see energy and performance enhancements from malic acid within six weeks of regular OneFit use, alongside a consistent fitness routine.

Gut and Antioxidation Health Complex
Combines probiotics for gut health and antioxidants to fight oxidative stress and support overall digestion.
Combines probiotics for gut health and antioxidants to fight oxidative stress and support overall digestion.
In OneFit, Lactobacillus may enhance the effects of leucine and collagen, promoting muscle mass and strength. It supports the uptake and functions of amino acids, particularly when combined with regular exercise. Selenium is included to help establish Lactobacillus in the gut, potentially accelerating its effectiveness.
Lactobacillus paracasei typically takes 4-6 weeks to become effective, as it regulates the balance of microbes in the digestive tract. Selenium may facilitate faster establishment of beneficial microbes, but the exact timeline for its effects is uncertain.
Turmeric, known for its use in golden milk and traditional medicine, is a powerful functional nutrient that enhances exercise recovery and performance.
Glycine accelerates post-workout recovery by combating muscle wear and tear, preserving collagen, and protecting against oxidative stress.
In OneFit, curcumin complements collagen, BCAAs, glycine, and citric acid, synergistically improving liver health and muscle recovery. It reduces oxidative stress in muscles and, when combined with nicotinamide, enhances NAD+ metabolism, decreasing fatigue and soreness.
Curcumin acts quickly to relax muscles, with initial benefits noticeable within 4-8 weeks of consistent supplementation, allowing it to reach optimal levels for full recovery benefits.
Pomegranate extract is rich in antioxidants and is recognized as a refreshing post-workout rejuvenator, aiding in performance and recovery.
Pomegranate extract contains polyphenols, a type of antioxidant that works differently than others (like vitamin C and curcumin) to decrease inflammation. Combined with the protein components in OneFit (BCAAs, collagen, glycine), it helps reduce the production of key signalling proteins that initiate inflammation.
Improvements in muscle recovery can be expected within 9-10 days of supplementation with pomegranate extract.

Immunity and General Wellbeing Complex
Provides high-dose multi-vitamins and methylated B-vitamins to strengthen immunity and enhance overall health.
Provides high-dose multi-vitamins and methylated B-vitamins to strengthen immunity and enhance overall health.
The Vitamin and Mineral Mix, comprising Thiamine hydrochloride (B1), Riboflavin (B2), and Pyridoxine hydrochloride (B6), is essential for energy production and cell regeneration, especially during intense workouts.
This B-complex trio plays a vital role in the body’s energy-producing pathways.
In OneFit, the Vitamin and Mineral Mix enhances overall performance by ensuring optimal energy production and recovery. The B vitamins work synergistically to metabolise branched-chain amino acids (BCAAs), directing them into muscle-building pathways and supporting protein metabolism, which is essential for muscle growth and repair. Additionally, this mix supports heart health and brain function by protecting nerve cells from damage, while also aiding in exercise performance and protecting against exercise-induced fatigue, contributing to overall health.
While the benefits of B-complex vitamins may take time to manifest, noticeable effects on muscle recovery and energy levels typically emerge within 2 to 16 weeks, influenced by diet, metabolism, and exercise.
Vitamin B7, or biotin, is an essential B-vitamin that plays a key role in metabolising macronutrients to produce ATP.
Biotin complements chromium in OneFit to improve heart health and, along with other B-complex vitamins, supports energy production and muscle recovery during intense exercise. Additionally, the combination of biotin and glycine may enhance nerve and motor functions, potentially improving grip strength for resistance training.
The benefits of biotin can take up to 6 months to become noticeable, particularly in improvements to hair, skin, and metabolism. When combined with other B-vitamins and minerals, results may be accelerated, influenced by genetics, lifestyle, and age.
Folate (Vitamin B9) and Methylcobalamin (Vitamin B12) are essential B-vitamins that support muscle repair, heart health, and red blood cell production.
In OneFit, folate and B12 boost muscle recovery, heart health, and cell regeneration, optimising your workout results.
Notable improvements in muscle recovery and blood circulation typically appear within 3-4 months, with brain and heart health benefits becoming evident in 2-6 months, depending on individual conditions.
Vitamin C (ascorbic acid) is a powerful antioxidant that boosts collagen production, speeds up muscle recovery, and enhances overall performance in fitness.
Vitamin C and collagen work together to enhance muscle-building. Paired with vitamins C and E, it strengthens skin health and elasticity while supporting immunity with minerals like folate, zinc, and magnesium.
Benefits such as firmer skin and stronger connective tissues typically emerge after 8-12 weeks. Skin improvements may appear around 8 weeks, and enhanced immunity within 6-10 weeks, especially when combined with other vitamins in OneFit.
Vitamin E (tocopherol) is a potent antioxidant that protects muscles from damage, enhances muscle strength, and improves recovery, making it vital for fitness enthusiasts.
Combined with vitamin C, zinc, and selenium, vitamin E improves muscle recovery, enhances skin elasticity, and boosts immunity. It complements collagen's effects, increasing muscle and handgrip strength, which benefits resistance training.
Muscle protection and reduced soreness can be noticed within 6 weeks of supplementation, especially when combined with intense exercise. Enhanced immunity and overall muscle resilience may take up to 12 weeks for full benefits.
Calcium citrate is a highly absorbable form of calcium that supports bone health, post-workout recovery, and enhanced muscle strength.
Calcium citrate in OneFit is chosen for its superior absorption. It works with BCAAs to reduce post-workout inflammation and, when combined with creatine and leucine, enhances muscle mass and strength gains.
Calcium's effects on muscle recovery and inflammation reduction typically take up to 12 weeks. Improvements in muscle mass, force, and performance can be noticed within 6-9 weeks when paired with resistance training.
Chromium Picolinate supports muscle protein synthesis (MPS) by enhancing insulin activity and boosting anabolic processes when paired with protein.
In OneFit, chromium enhances the anabolic effects of collagen and BCAAs, amplifying muscle growth beyond what protein alone can achieve. It also works with biotin to support heart health by regulating cholesterol and triglycerides.
Chromium's effects in amplifying muscle-building processes can be felt within a week when combined with protein-rich supplementation and resistance training.
Iron, essential for oxygen transport in muscles and blood, plays a key role in enhancing endurance and supporting muscle recovery.
In OneFit, iron works alongside valine, citric acid, vitamin C, and glycine to enhance oxygen delivery to skeletal muscles. It also helps protect muscles from post-exercise fatigue by pairing with collagen, B-complex vitamins, calcium, and other key ingredients.
Iron’s benefits typically begin to show in 3-5 weeks, with improvements depending on individual haemoglobin levels. Once iron levels are optimised, performance and muscle recovery benefits follow.
Copper is a vital micronutrient that supports muscle protection, heart function, and blood regulation by aiding enzymes that manage energy production and oxidative stress.
In OneFit, copper works alongside zinc, citric acid, and vitamin C to enhance absorption and regulate iron levels. It helps ensure proper oxygen balance in muscles and supports energy production, particularly for heart function.
Copper’s effects are immediate once absorbed and utilised by the body, especially in conjunction with supporting minerals and vitamins that optimise its role in antioxidation and energy generation.
Magnesium is a vital mineral essential for optimal bone health and muscle function. Since the body can't produce it, dietary supplementation is crucial. Magnesium also promotes relaxation, reduces stress, and supports cognitive function, making it an important addition for overall wellness.
Magnesium plays a pivotal role in post-workout replenishment by counteracting muscle fatigue and joint strain caused by intense exercise.
The inclusion of magnesium in OneFit supports muscle function and enhances overall recovery. It contributes to post-workout replenishment and aids in maintaining optimal bone health, making it essential for fitness enthusiasts.
Although the effects may not be immediate, magnesium helps ease the adjustment to new supplements and can improve sleep quality within a week, promoting a calming effect on the nervous system.
Manganese is a trace element essential for enzyme function, bone health, muscle recovery, and cognitive clarity, and is included in OneFit in a bioavailable form.
In OneFit, manganese is combined with other trace elements to support metabolic functions. When paired with collagen, vitamin C, and copper, it enhances pain relief, with exercise amplifying these synergistic effects.
Users can expect improvements in mood and energy levels within three weeks of manganese supplementation in OneFit.
Selenomethionine, a trace element found primarily in skeletal muscles, is crucial for antioxidant enzyme function and aids in recovery from exercise-induced muscle damage.
In OneFit, selenium works synergistically with vitamin E to protect muscles and organs from harmful radicals. It also enhances zinc's role in immunity, while vitamin E aids in selenium absorption. Additionally, selenium combines with probiotics in OneFit to boost antioxidant and anti-inflammatory effects and support mood improvement.
Users can expect improvements in antioxidation and mood within 12 weeks of selenium supplementation in OneFit. However, its effects on immunity may be noticed within 30 to 35 days.
Zinc is a crucial trace element concentrated in muscles and bones, essential for over 3,000 proteins that support cell health and metabolism.
Zinc enhances metabolism, muscle function, and immunity in OneFit, improving oxygen binding in muscles and blood. It also boosts the antioxidant activity of vitamins C and E.
Expect immunity and exercise gains within 30 to 35 days, with muscle growth benefits potentially taking one to two months, evident through reduced cramping.
What you'll receive
Your 30-day supply of the selected blend, presented in our signature, beautifully crafted premium First or Nothing home packaging.
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From $5.50 per serve
8g per serve
11 Pure Ingredients
4 Essential Complexes
7 Calories
Once daily with at least 250ml of still or sparkling water. Designed to be consumed in the morning
Prolonged Longevity
Potent Antioxidant Defense
Advanced Hydration
Enhanced Cellular Function
Steady Energy Uplift
Robust Immune Support
Boosted Mental Clarity
Balanced Stress Relief
NMN (Nicotinamide Mononucleotide), Resveratrol, Sodium Chloride, Potassium Citrate, Citric Acid, Aquamin™ Mg (Marine Magnesium), Guarana Extract Powder, Beetroot Juice Powder, KSM-66® Ashwagandha Root Powder, Coenzyme Q10, MenaQ7® (Vitamin K2), Hyaluronic Acid, L-Theanine, Organic Stevia Extract
From $5.00 per serve
35g per serve
30 Pure Ingredients
4 Essential Complexes
100 Calories
NIP
Once daily with at least 250ml water.
Designed to be consumed before, during or post exercise as well as on recovery days
Enhanced Performance
Muscle Growth
Accelerated Recovery
High Dose Hydration
Energy
Metabolism
Joint Health
Skin Health
Immunity Defence
Bone Health
Eye Sight Support
Digestive Health
Mental Clarity and Mood
Heart Health
Weight and Metabolic
Support
Sodium Chloride, Nicotinamide Mononucleotide (NMN), Resveratrol, Potassium Citrate, Citric Acid, Natural Marine Magnesium Powder (Aquamin™ _Mg), Malic Acid, Guarana Extract Powder, Beetroot Juice Powder, KSM-66 Ashwaghanda® Root Powder, Natural Watermelon Flavour, Coenzyme Q10, MenaQ7® (Vitamin K2), Hyaluronic Acid, L-Theanine, Coconut MCT Oil Powder, Organic Stevia Extract Powder* *Certified Organic
From $5.50 per serve
8g per serve
11 Pure Ingredients
4 Essential Complexes
7 Calories
Once daily with at least 250ml of still or sparkling water. Designed to be consumed in the morning
Prolonged Longevity
Potent Antioxidant Defense
Advanced Hydration
Enhanced Cellular Function
Steady Energy Uplift
Robust Immune Support
Boosted Mental Clarity
Balanced Stress Relief
NMN (Nicotinamide Mononucleotide), Resveratrol, Sodium Chloride, Potassium Citrate, Citric Acid, Aquamin™ Mg (Marine Magnesium), Guarana Extract Powder, Beetroot Juice Powder, KSM-66® Ashwagandha Root Powder, Coenzyme Q10, MenaQ7® (Vitamin K2), Hyaluronic Acid, L-Theanine, Organic Stevia Extract

Enhance your longevity, cellular health, and mental cognition by incorporating OneLife into your daily routine.
Upgrade to ComprehensiveStandard protein shakes focus on muscle repair, OneFit’s complex formula better assists muscle repaid and growth while also focusing on joint health, skin elasticity, and bone strength, BCAAs, creatine, and L-carnitine boost endurance, strength, and fat metabolism. It also goes beyond with probiotics and turmeric for gut health, immune support, and inflammation control. With expansive dosages of vitamins and minerals for energy and overall wellness, OneFit is more easily absorbed, faster-acting, and simpler to use—mix with water for an solution that covers your fitness and recovery needs
One Fit is designed to be taken around your training, whether that’s before, during, or after. On recovery days, you can take it anytime you feel like it – it’s made to help with both performance and recovery.
One Fit contains not only essential ingredients but also delivers them at the optimal dosages. We’ve made sure to include everything you need for muscle repair, reduced fatigue, and overall recovery – no underdosed ingredients here.
Absolutely! Even on rest days, your muscles are still recovering. One Fit is made for both recovery and exercise days.
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$140.00
Option: Tin
Payment: One-time Purchase
Subscribe & Save Eligible
$140.00
Option: Tin
Payment: One-time Purchase
Subscribe & Save Eligible