BESTSELLER

OneLife NMN Blend

Daily Cellular Nutrition for Healthy AgingFor the first time ever, NMN is paired with Resveratrol, healthy fats, Ashwagandha, CoQ10, and electrolytes, total cellular support like nothing before it.

Selected flavour:
Watermelon Watermelon
available

Select Quantity:

Daily for One

30 sachets

5.67/serving

Daily for Two

60 sachets

5.38/serving

Daily for Three

90 sachets

5.1/serving

Selected price:

180
169

Check Free welcome kit: bottle, frother & performance plan

Check Automatic monthly shipping, pause/cancel anytime

Check Full refund satisfaction guarantee

180

Australia’s fastest-growing supplement company now brings you a worlds first in OneLife; the ultimate daily longevity and cellular health formula. OneLife supports anti-ageing, energy production, hydration, brain health, gut health and immune resilience in one serve. Clinically dosed actives including 1g NMN, 1g Resveratrol, Magnesium, Electrolytes and more.

Trusted by world-class athletes, founders and high performers.

  • High-dose NMN & Resveratrol for healthy ageing support
  • Complete AM cellular nutrition & longevity formula
  • Supports natural energy, mood, focus & hormonal balance
  • Promotes hydration, gut health & immune function
  • 16+ bioavailable vitamins & minerals
  • Instantised to mix easily
  • Gluten, nut & dairy-free
  • Tested for purity in Australia
  • Built for those who refuse to age normally

One sachet. Instantly dissolves with a stir/shake. No clumping.

  • Mix with water first thing in the morning on an empty stomach
  • Daily use required (compounding longevity benefits with consistency)
  • Can be taken alongside coffee or breakfast after consumption

No blender needed, instant mix. Designed for zero friction, zero excuses.

Ingredients — NMN (99.8% Pure), Trans-Resveratrol (98% Pure), Sodium Chloride, Potassium Citrate, Citric Acid, Aquamin® Magnesium, Malic Acid, Guarana Extract Powder (22% Caffeine), Beetroot Juice Powder, Organic KSM-66® Ashwagandha, Natural Watermelon Flavour, CoQ10, MenaQ7® (Vitamin K2), Hyaluronic Acid, L-Theanine, Coconut MCT Oil Powder, Organic Stevia.

Free From — Dairy, Gluten, Soy, Artificial Colours, Fillers, Gums & Oils.

Tested — Third Party Tested Locally.

Orders ship daily from our Alexandria, Sydney facility.

Australia: 1–3 business days (FREE over $50)

NZ: 3–6 days · International: 5–10 days express

Every order is 100% covered by our Performance Promise: if OneLife doesn’t make you feel sharper, clearer and more energised, just email care@befirstornothing.com or DM us on Instagram @fon and we’ll refund you immediately.

One-Time Purchase

In Every Serve

Unlike anything else, longevity handled appropriately.

CALORIES 8 kcal
NMN 99.8% PURE 1000MG
RESVERATROL 99% PURE TRANS-RESVERATROL 1000MG
ELECTROLYTES 1000MG
COQ10 (BRAIN HEALTH) 200MG
ASHWAGANDHA KSM-66 300MG
MENAQ7®️ (VITAMIN K2) 120MG
L-THEANINE 100MG
COCONUT MCT-OIL POWDER 100MG
GUARANA EXTRACT 430MG
HYALURONIC ACID 100MG

Citing Proven Results

40%

Increase in NAD⁺ levels, NMN 1

30%

Mitochondrial Function, Resveratrol 2

25%

Less fatigue, CoQ 10 3

1Yoshino et al., Science, 2021. 2Bhatt et al., 2012. 3Gokbel et al., 2010.

Everything in One.

Unlike anything else.

OneLife® Others
NMN
1,000mg
500mg
Resveratrol Checked Icon Close Icon
CoQ10 Checked Icon Close Icon
Ashwagandha Checked Icon Close Icon
Healthy Fats (absorption) Checked Icon Close Icon
Electrolytes Checked Icon Close Icon
Vitamins & Minerals Checked Icon Close Icon
Antioxidants Checked Icon Close Icon
Probiotics & Enzymes Checked Icon Close Icon

Supplement Facts

OneLife

Serving Size:8g (1 Sachet)
Calories:7 Calories Per Serve
Protein:0.2 Grams Per Serve
Fat:0.1 Grams Per Serve
Carbs:1.1 Grams Per Serve
NMN (99.8% Pure)1 gram
Resveratrol (98% Pure)1 gram
Sodium Chloride1.24 grams
Potassium Citrate0.960 grams
Citric Acid0.700 grams
Aquamin Magnesium0.607 grams
Malic Acid0.600 grams
Guarana Extract Powder 22% Caffeine0.43 grams
Beetroot Juice Powder0.300 grams
Organic KSM-66 Ashwagandha0.300 grams
Natural Watermelon Flavour0.200 grams
CoQ 100.200 grams
MenaQ7 (Vitamin K2)0.120 grams
Hyaluronic Acid0.100 grams
L-Theanine0.100 grams
Coconut MCT Oil Powder0.0970 grams
Organic Stevia0.0360 grams

More Than 500,000 Workouts have recovered with first or nothing

BESTSELLER

Get Started With Our Ultimate Health

WHAT'S INCLUDED

Starting at $125/mo

OneFit Pouch OR Sachets Box OneFit Pouch OR Sachets Box

Built for muscle, burn, Hydration & recovery.

30x OneLife Longevity Sachets 30x OneLife Longevity Sachets

Our powerful NMN+Resveratrol Daily Blend

FON Marathon Bottle

400ml action ready Water Bottle - BPA-Free

FON Frother

Perfectly balanced, lightweight and durable.

Here’s everything you need to know.

Who is OneLife for?

Anyone who wants more energy, focus, and support for healthy ageing from busy professionals to athletes to everyday health seekers.

How do I use OneLife?

Mix one sachet with 200–300ml of water. Best taken in the morning on an empty stomach.

Is it stable and pure?

Yes. Every batch is third-party tested for purity, potency, and stability.

Where is OneLife made?

It’s formulated and developed in Australia, made under strict GMP standards, and every batch is tested before it reaches you.

What does it taste like?

Light, refreshing watermelon with a hint of berry. No sugar, no artificial flavours.

How long until I feel it?

  • Days 1–15: More energy and focus
  • Days 15–60: Better hydration and resilience
  • Days 60–180: Deeper benefits for recovery and healthy ageing

When will my order arrive?

  • Australia: 1-3 days
  • NZ: 5-7 days
  • International: 10–15 days

Can I take it with medication?

It’s safe for most people, but if you’re on medication, check with your doctor first.

How is it different to OneFit?

OneLife is designed for daily longevity, focus, and healthy ageing. OneFit is for post-training recovery and performance. Many people use both, but they serve different purposes.

Can I take it every day?

Yes, OneLife is designed for daily use to get the full benefits.

Is it vegan and allergen free?

Yes. OneLife is plant-based, gluten-free, dairy-free, and contains no added sugar.

The Recovery You’ve Been Missing

Explore our OneFit® range

SHOP THE RANGE