I wanted to tone up without living at the gym. OneFit made the nutrition part simple, so I could put my energy into training.
Weight Loss
Lean Muscle
For Today & Tomorrow
The Complete System
For Performance & Longevity
Trusted by over 600,000+ fitness enthusiasts & active professionals worldwide.
600k+ Active Subscribers
OneFit® Everything In One.
31 Ingredients To Burn Fat, Sculpt Lean Muscle, And Support Whole-Body Health In One Daily Drink.
4.7
(2,133 reviews)
- 15g protein and 3g creatine in every serve
- Replaces all your supplementsReplaces all your supplements
- Only 69 calories per serveOnly 69 calories per serve
Select Format: Sachets
Select Flavour: Chocolate Milkshake
Select Plan: Subscription
Save {saving} With a OneFit Subscription
Delivery Frequency
28 Serves | 4 Weeks of Supplements, Sorted
- 90 Day Refund Guarantee | Cancel Anytime
What Do I Get On My First Order?
$15FREE1x Silver Frother
$35FREE1x Premium Hat
Save on each order- Free Premium Frother & Hat With 1st Order
- Modify and cancel anytime
In Stock | Sold Out 5 Times This Year
Coming Soon
OneFit®
OneFit® Benefits and OverviewYour Daily Ritual Includes:
-
31 in 1 Formula
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15-30g Protein
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4 Types of Electrolytes
-
$3.30
Per Day -
Made in Australia
-
Clinically Tested
What's Inside OneFit?®
15g Hydrolysed Collagen Protein, 3g Creatine, 500mg Electrolytes, L-Carnitine, BCAA's and vitamins in one serve. One serve a day for daily health, two on training days.
How Does OneFit® Compare To Whey?
Whey gives you protein and nothing else. OneFit® adds creatine, electrolytes, probiotics and a full micronutrient spectrum in the same serve.
Can I Take OneFit On Rest Days?
Yes — it is built as a daily habit. Recovery continues on the days you do not train.
Will OneFit Cause Bloating?
No. It is formulated specifically to avoid the heaviness most protein powders cause.
Clinically Tested For Real Results
Join Over 600,000 Customers Who Noticed Visible Results After Using OneFit® For At Least 90 Days.
Cut the afternoon crash completely within the first couple weeks. The muscle definition came later, but honestly the energy alone was worth it.
- Weight Loss
- Lean Muscle
What sold me was how fast my recovery improved. I was back in the gym the next day instead of dreading it…the rest just followed.
- Weight Loss
Recovery
I have been using OneFit for almost three months now. Energy was the first thing I noticed, and then I started to notice the physical results…
- Weight Loss
- Lean Muscle
Us Vs Them
Other brands sell you protein. OneFit® replaces your entire supplement shelf.
Features
OneFit®
OneFit®
-
Hydrolysed Collagen Protein
Included
Not included -
Electrolytes
Included
Not included -
Creatine
Included
Not included -
L-Carnitine
Included
Not included -
Probiotics
Included
Not included -
BCAAs
Included
Not included -
Calories
69130+
Trusted By Leading Doctors & Athletes
Every ingredient is research-backed, clinically dosed, and third-party tested.
Brett Hallam
FON Member & Athlete
Anna Bearpark
Senior Medicine Development
Jon Berry
FON Member & Athlete
Jennifer May
Clinical Nutritionist and Director of Food Intolerance Australia
Darren Speight
FON Member & Athlete
Jessica Povall
Specialising in concussion management and clinical neurology
Dom Sheppard
FON Member & Athlete
Jonna Walberg
FON Member & Athlete
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Third-party lab tested.Third-party lab tested — every batch.
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Australian made.Australian Made. Premium Ingredients.
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No gums, or harmful additives.No gums, oils, or harmful additives.
4.9
Trusted daily by 600,000+ members.Over 600,000 Success Stories
What you can expect over time.
Most people feel a difference in the first week. It builds from there.
Electrolytes kick in first. You’ll feel it before you see it. Steadier energy, less of a slump.
Creatine and gut health are working together now. Better output, better recovery in between.
Collagen and protein show up, and last the longest. This is the whole stack visible.
This is Why OneFit® is Worth What You Pay
Other brands sell you protein. OneFit® replaces your entire supplement shelf.
With OneFit® Subscription
Only 2.84/DayPer Day
3,124/Year
Rough annual savings calculated based on replacing standard daily consumption of individual high-purity ingredients.
Save with OneFit®If you purchased individually...
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Protein Powder
2.63/day
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Creatine
1.63/day
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Electrolytes
1.30/day
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L-Carnitine
0.97/day
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BCAAs
0.97/day
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Multi-Vitamins
0.97/day
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Probiotics
1.63/day
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Magnesium
1.30/day
Total Individual Cost 11.40/day
90-Day Money Back Guarantee
Feel it, or get your money back.
Game changer for my energy.
I didn’t have to guess for weeks. Within the first few days I noticed cleaner energy and better bounce-back after activity.
Easy from day one.
I’m usually the person who gets bloated with supplements. This has been easy to digest from day one — no heaviness, no gut issues.
One sachet replaced the shelf.
I was using protein, creatine, electrolytes and a couple of extras, and I’d miss days because it was annoying. Now I’m actually consistent.
It fits however I train.
Some weeks I train hard, some weeks it’s just walks. It still makes sense either way — it’s about supporting your body after you move.
Finally, clinical precision.
I read labels and look for testing. The dosing made sense, the testing was there, and it didn’t feel like a throw-everything-in formula.
Over 600k Happy OneFit Customers
Any Last Questions?
Here’s everything you need to know.
What's the difference between OneFit® and OneLife™?
OneFit® is your daily all-in-one performance blend. It replaces your protein, creatine, collagen, magnesium, electrolytes, and 16 vitamins and minerals in a single serve.
OneLife™ is our NMN longevity formula, designed to support cellular energy, recovery, and long-term healthspan.
Many of our customers start with OneFit® and OneLife™ as part of their complete health routine.
I already take protein and creatine. Why would I switch?
OneFit® contains clinical doses of both, plus collagen, electrolytes, and vitamins you're probably buying separately.
Most customers switch from 5-7 products and save over $150/month. Same ingredients, fewer tubs, one routine that actually sticks.
I don't train hard. Is OneFit® still for me?
Absolutely. OneFit® isn't just for athletes. The collagen, b-vitamins, creatine, and electrolytes support energy, skin health, gut health, and daily recovery whether you train 7 days a week or just want to feel better with one simple habit each morning.
What does it taste like?
OneFit® comes in Tropical Crush and Chocolate Milkshake. It's designed to taste good mixed with just water, no blender needed. If you're unsure, our promise guarantee allows you to swap flavours anytime
How long before I notice results?
With OneFit®, most customers notice improved energy and recovery within the first 1 week.
OneLife™ works at the cellular level, so expect sustained energy, better sleep quality, and improved mental clarity within 2-3 weeks of consistent daily use.
This isn't a stimulant. It's compounding.
Is it worth the price?
The average supplement user spends $190-310/month across multiple products.
OneFit® replaces five of those for a fraction of that cost. When you factor in what you're no longer buying, most customers actually spend less with FON than they did before.
Can I take OneFit® and OneLife™ together?
Yes, they're designed to work together. OneFit® covers your daily performance nutrition. OneLife™ supports cellular health and longevity from a completely different angle.
Together, they're the full FON routine. Most customers take OneFit® in the morning and OneLife™ with breakfast. Ease into it to avoid minor GI discomfort.
Every batch of First or Nothing products is independently tested for heavy metals, purity, and dosage accuracy to ensure safety and quality.
First or Nothing is independently tested for heavy metals, purity, and dosage accuracy.
Heavy Metals
OneFit®
Passed
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View
Pathogens and Food Safety
OneFit®
Passed
--
View
Allergens
OneFit®
Passed
--
View
Quality and Stability
OneFit®
Passed
--
View
Ingredient Purity (Creatine)
OneFit®
Passed
Nov 2024
View
HASTA Batch Screening (WADA Prohibited Substances)
OneFit®
Passed
HASTA Supplement Screening
View
First or Nothing is independently tested for heavy metals, purity, and dosage accuracy.
Pathogens and Food Safety
OneLife™
Passed
14/10/2025 (Issued 20/10/2025)
View
Quality and Stability
OneLife™
Passed
14/10/2025 (Issued 20/10/2025)
View
Pure NMN Powder Test Results Summary
OneLife™
Passed
14/10/2025 - 16/11/2025
View
@fonMore in One.
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