OneFit
20 Sachets. 5 per week. No guesswork.
- Only 100 Calories
- Mix and Drink, no blending required
- Orange-Pineapple flavour
- A complex blend of 31 Pure Ingredients
- Each sachet contains
- 25 grams protein from Pure Bovine Collagen
- Over 1000 mg Essential Electrolytes
- 3,000 mg Creatine - 1,000 mg L-Carnitine
- 16 Vitamins and Minerals
- Proven results
- 145% more lean muscle gain compared to whey
- 50% reduction in post-exercise muscle soreness
- 40% improvement in oxidative stress markers
- V4.4 | NET WT. 700G
Learn More
OneFit: Science-Driven Nutrition, Simplified.
OneFit is your all-in-one solution for peak performance, crafted with precision to deliver results you can see and feel.
What’s Inside:
- 25g of Protein from Collagen Peptides: Supports 145% greater lean muscle gains compared to whey protein, with enhanced strength and fat reduction.
- 3000mg of Micronized Creatine: Fuels explosive strength and endurance.
- 1000mg of L-Carnitine: Boosts fat metabolism and aids recovery.
- 20 Billion CFU Probiotics: Enhances gut health and digestion.
- 16 Essential Vitamins & Minerals: Delivered in precise, pure dosages for optimized performance.
- 1000+mg of Electrolytes: Replenishes and hydrates with sodium, potassium, magnesium, and calcium.
- Antioxidants like Curcumin: Reduces inflammation for long-term health.
Why OneFit Works:
- Only 100 calories per sachet, perfect for fueling performance without excess.
- Naturally flavored with a refreshing Orange-Pineapple taste—no artificial additives.
- Pre-measured single sachets mean no mess, no waste—just mix with water and go.
- Designed for five days per week, whether you’re training hard or resting.
OneFit is not just convenient—it’s transformative. From faster recovery to superior hydration, muscle growth, and fat metabolism, OneFit is your streamlined path to better results.
OneFit: Fuel Better. Recover Smarter. Perform Stronger.
- 5 sachets replace your weekly supplements
- Australia made and NATA tested
- 30-day Satisfaction Guarantee
- No artificials, sugars, gums or bulking agents
Your week in review
Protein
125,000mg
Creatine
15,000mg
Glycine
15,500mg
Magnesium Citrate
6,250mg
BCAAs
5,250mg
L-Carnitine
5,000mg
Advanced Electrolyte System
3,000mg
Vitamins, Minerals & Probiotics
3,000mg
Turmeric & Pomegranate Extract
1,750mg
Discover how OneFit fits into your routine for better results.
How to take
Join Adrian as he walks you through the process of incorporating OneFit into your routine. Learn when to take it, how to use it effectively, and what to expect on your OneFit journey.
Auto-delivery
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.
One and done
At the heart of OneFit is a commitment to effectiveness and quality. Our products aren’t just about including popular ingredients—they’re about including them in powerful, scientifically proven dosages to ensure you see real results.
Each sachet is formulated with:
- 25g of Collagen Peptides: Sourced from the most bioavailable protein to support lean muscle growth, recovery, and joint health.
- 16 Essential Vitamins and Minerals: Included at precise, optimal levels to target your daily nutritional needs.
- 1000+mg Advanced Electrolyte System: A balanced mix of sodium, potassium, magnesium, and calcium to maintain peak hydration and performance.
- Probiotics, L-Carnitine, and BCAAs: Carefully measured to promote gut health, accelerate fat metabolism, and optimize muscle recovery.
We go the extra mile when it comes to sourcing. Every ingredient is chosen from trusted suppliers across the globe, prioritizing purity and potency. We ensure all components meet the highest standards and reflect our commitment to Australian-made quality wherever possible.
This isn’t just about combining ingredients; it’s about precision and excellence, delivering the most effective formulations to fuel your fitness goals. No unnecessary fillers, no harmful chemicals—just the best nature and science have to offer in a perfectly blended formula.
Version information
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.
Join the journey of discovery and transformation with weekly videos designed specifically for your experience with OneFit or OneLife. Led by renowned experts Dr. Martin Lindley, Director of Research at UNSW, and Dr. Kate, with personalised guidance from our in-house wellness strategist Adrian, each video is crafted to meet you where you are.
Learn why we chose the ingredients we did, how they work for your body, and how to maximise your results. Packed with science, strategies, and actionable tips, this series is your guide to feeling and living your best.
Simple. Powerful. Transformative.
Performance with HYROX Champ Lachie Clancy. Trusted by elite athletes.
Elite Performance, Simplified.
Meet elite athlete Lachie, who powers his training and recovery with OneFit. Competing at the highest level in the Hyrox Games demands peak performance—and taking multiple supplements just wasn’t enough. OneFit delivers everything he needs in one streamlined solution, supporting his recovery, ongoing health, and overall wellbeing.
For Lachie, the approach is real. The results speak for themselves. OneFit fuels his sessions and keeps him at the top of his game, so he can focus on crushing the competition.
Redefine simplicity: Essential nutrients in one sachet for real, lasting results.
Simplicity, Redefined.
All your essential nutrients, perfectly balanced in one easy sachet. No clutter, no hassle, just real, lasting results.
Whether it’s OneFit, packed with:
25 grams of collagen peptide protein. An advanced electrolyte system with potassium, sodium, magnesium, and calcium. 1000mg of L-Carnitine, BCAAs, probiotics, and 16 essential vitamins and minerals
Getting everything your body needs to perform, recover, and thrive is often overwhelming. That’s why OneFit combines only what truly fuels peak performance and leaves out everything you don’t need, simplifying your routine and powering your goals.
Or OneLife, delivering:
1000mg of NMN and Resveratrol for cellular vitality. Coconut MCT for optimal absorption. 1500mg of electrolytes to start your day right. CoQ10 for mental clarity, Ashwagandha for antioxidant support, and Vitamin K2 for holistic wellness.
Every ingredient in OneLife is carefully chosen to deliver unmatched results. It’s not just a product, it’s the foundation for clarity, recovery, and longevity.
One sachet. One solution. Your goals, simplified.
Unmatched Quality: Rigorous standards ensure purity, potency, and transparency.
Uncompromising Quality.
Every product we make is tested, refined, and perfected to deliver the highest standard of excellence.
We partner exclusively with NATA-approved facilities, ensuring precision and reliability at every step. From ingredients to final formulation, nothing is left to chance—just proven results you can trust.
Because when it comes to your health, only the best will do.
What you'll receive
Your monthly supply, presented in our signature, beautifully crafted premium First or Nothing home packaging along with a welcome booklet. Thermo-bottle included with Auto-Deliver.
Find your blend
OneFit
From $5.00 per serve
Overview
35g per serve
30 Pure Ingredients
4 Essential Complexes
100 Calories
Directions for use
Once daily with at least 250ml water.
Designed to be consumed before, during or post exercise as well as on recovery days
Function
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
Ingredients
Hydrolysed Collagen Peptides (Bovine), Glycine, Creatine Monohydrate, Natural Flavours (Pineapple & Orange), Magnesium Citrate, BCAA (L-Leucine, L-Isoleucine, L-Valine), L-Carnitine, Citric Acid, Vitamin & Mineral Premix (Thiamine hydrochloride, Riboflavin, Nicotinamide, Calcium pantothenate, Pyridoxine hydrochloride, Biotin, Folate, Methylcobalamin, Vitamin C, Vitamin E, Calcium citrate, Chromium picolinate, Iron, Copper gluconate, Magnesium citrate, Manganese amino acid chelate, Selenomethionine, Zinc citrate, Potassium citrate) Sodium Chloride, Malic Acid, Turmeric extract powder, Probiotic (Lactobacillus paracasei), Organic Stevia extract powder*, Pomegranate extract.
OneLife
From $5.00 per serve
Overview
8g per serve
11 Pure Ingredients
4 Essential Complexes
7 Calories
Directions for use
Once daily with at least 250ml of still or sparkling water. Designed to be consumed in the morning
Function
Prolonged Longevity
Potent Antioxidant Defense
Advanced Hydration
Enhanced Cellular Function
Steady Energy Uplift
Robust Immune Support
Boosted Mental Clarity
Balanced Stress Relief
Ingredients
Nicotinamide Mononucleotide (NMN), Resveratrol, Sodium Chloride, Potassium Citrate, Citric Acid, Natural Marine, Magnesium Powder (Aquamin ™️* Mg), Malic Acid, Guarana Extract Power, 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*
OneFit
From $5.00 per serve
Read more
Overview
35g per serve
30 Pure Ingredients
4 Essential Complexes
100 Calories
Directions for use
Once daily with at least 250ml water.
Designed to be consumed before, during or post exercise as well as on recovery days
Function
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
Ingredients
Hydrolysed Collagen Peptides (Bovine), Glycine, Creatine Monohydrate, Natural Flavours (Pineapple & Orange), Magnesium Citrate, BCAA (L-Leucine, L-Isoleucine, L-Valine), L-Carnitine, Citric Acid, Vitamin & Mineral Premix (Thiamine hydrochloride, Riboflavin, Nicotinamide, Calcium pantothenate, Pyridoxine hydrochloride, Biotin, Folate, Methylcobalamin, Vitamin C, Vitamin E, Calcium citrate, Chromium picolinate, Iron, Copper gluconate, Magnesium citrate, Manganese amino acid chelate, Selenomethionine, Zinc citrate, Potassium citrate) Sodium Chloride, Malic Acid, Turmeric extract powder, Probiotic (Lactobacillus paracasei), Organic Stevia extract powder*, Pomegranate extract.
OneLife
From $5.00 per serve
Read more
Overview
8g per serve
11 Pure Ingredients
4 Essential Complexes
7 Calories
Directions for use
Once daily with at least 250ml of still or sparkling water. Designed to be consumed in the morning
Function
Prolonged Longevity
Potent Antioxidant Defense
Advanced Hydration
Enhanced Cellular Function
Steady Energy Uplift
Robust Immune Support
Boosted Mental Clarity
Balanced Stress Relief
Ingredients
Nicotinamide Mononucleotide (NMN), Resveratrol, Sodium Chloride, Potassium Citrate, Citric Acid, Natural Marine, Magnesium Powder (Aquamin ™️* Mg), Malic Acid, Guarana Extract Power, 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*
Upgrade to Comprehensive
Combined power of OneFit & OneLife in our comprehensive pack.
Upgrade to ComprehensiveFAQs
How is OneFit different to a Protein Shake
Standard protein shakes focus on muscle repair, OneFit’s complex formula better assists muscle repair 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
When should I take One Fit?
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.
How does One Fit support my workout 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.
Can I take One Fit on rest days?
Absolutely! Even on rest days, your muscles are still recovering. One Fit is made for both recovery and exercise days.