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One app. 2 million pounds lost.

The macro coach in your pocket for just a few bucks a week.

Get started today!
Exclusive: 5% off applied at checkout.

Friends of Dr. Joe Zundell are invited to receive a special 5% discount.

2M+
Pounds Lost
500k+
Users
1M+
Downloads
4.8
Rating
2M+
Pounds Lost
500k+
Users
1M+
Downloads
4.8
Rating
2M+
Pounds Lost
500k+
Users
1M+
Downloads
4.8
Rating
Simple. Scientific. Sustainable.

Precision Nutrition for Peak Performance

Carbon Diet Coach harnesses a feedback driven algorithm rooted in up‑to‑the‑minute metabolic and behavioral data to calibrate your macronutrient targets each week.

By continuously adapting to your unique physiology and lifestyle, it optimizes metabolic flexibility, supports hormonal balance, and drives sustained, measurable progress so you can perform at your biological best, day in and day out.

How Carbon Works

  • goal
    Choose your goal

    Choose your goal: fat loss, muscle gain, maintenance, or reverse dieting. Carbon uses proven methods like energy balance and flexible dieting to fit your lifestyle.

  • track
    Track your food

    Track your food easily with our verified database, barcode scanner, and custom meal tools.

  • log
    Log your weight

    Weigh in regularly so Carbon can better track your progress and tailor support.

  • flag
    Check in weekly

    Check in weekly so Carbon can adjust your targets and keep you on track with no guesswork or plateaus.

how it workss
how it workss
how it workss

Premium Features

The tools you need to take control of your nutrition.

Calorie Planner

Want more flexibility? Distribute your weekly calories so you can eat more on chosen days.

Intuitive Food Tracker

Track your meals with our verified database, label scanners, and creation tools.

barcode

Health Integrations

Sync with Apple Health or Google Health Connect to instantly import smart scale data.

Data Visualization

All of the important data you need to see your progress, including weight, metabolic rate, nutrition and more.

Trusted by industry experts

The authority in macronutrient coaching.

"Carbon is a powerful tool that incorporates key science-backed principles for effective weight management. I use it, suggest it often, and buy it because I really like it!"

Dr. Andrew Huberman, Ph.D. Neuroscientist and Stanford professor
Dr Lyon

"As Director of Female Health for Carbon, I am a firm advocate for the Carbon Diet Coach app. Its advanced macro coaching capabilities are second to none, providing users with the personalized nutrition they need to succeed in achieving their goals."

Dr. Gabrielle Lyon, D.O. Muscle-centric medicine
Dr Lyon

"Carbon is my favorite app for tracking macros. I love the coaching feature that calculates my nutritional needs and adjusts them based on my progress."

Dr. Peter Attia, M.D. Longevity and optimal health
Dr Lyon

People love Carbon

We love them too, they're awesome.

Fantastic app! Feb 13, 2025

“I struggled to lose weight I gained with perimenopause, but now I see I was massively under eating. Currently I am on 2400kcal and losing 0.4kg per week. These calories allow me to eat plenty of good food, I have energy and I also have so much energy for my workouts. I really love this app! Highly recommend!!! ✨ ❤️”

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Adrijana TG

“The best meal planner and macro tracker I've used. Very simple and easy to use for anyone serious about getting nutrition dialed in.”

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Tony Terrio

“Best app ever, been using for years.”

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@bdaza92
Saved me Apr 11, 2025

“I used to be 250lbs. I was able to cut to about 220 or so on my own. I switched from Loselt (which is also good) to Carbon around that point. Carbon got me down to 177Ibs! Then I was able to use it to reverse, maintain, then gain to 200lbs while resistance training. I love this app it lets you move your weight up and down like clockwork, the support team is great and the features of this app beat the free apps by a mile. This is a coach, it gives recommendations rather than 100% DIY. Love it.”

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koopin711

“Carbon changed my life and my relationship with food!! I'm an unpaid ambassador of the app 😂 😂”

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Juan Fernando Amador Gómez
Apr 24, 2025

“.4 away from my current goal! It's been a long and consistent journey. Never bothered worrying about it the app says I'm not compliant as it's simply a tool to help keep on the right track. Ups and downs are part of the journey. Super happy with my success using the app 💪.”

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Jason Oberuc

“I was at a plateau with trying to lose the last 10 pounds. It wasn't until started using this app that I was able to break through my plateau. The calories/macros settings/adjustments they are able to do are what have helped me. While I thought I had it figured out, it took me using this app since it comes with a coach who has made all the difference in the world. I was previously using My Fitness Pal. If you are trying to get through a plateau, I would highly recommend trying this app.”

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Melloney Claiborne

“If you have basic knowledge of nutrition and Carbon, you will never need a nutrition coach again! Thank you @biolayne for creating such a useful tool!”

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@drmcameranesi

“been using this app for a couple of years now and if you learn to trust it and do what it says you'll get the results your looking for 👌”

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janine tunney
The GOAT Apr 7, 2025

“I've been using this app for I want to say at least 4 years and it has totally changed my world makes everything easy”

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Yabui87
Makes it easy Apr 16, 2025

“This app is helping me stay accountable and makes it really easy to track and input my macros. Using this app as a coach, weighing my food, and consistent workouts have made it really brainless to drop weight. I won't share my results, but I'm surprised at how good I feel and how my body has responded.”

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Anyone else4321

“I use it and totally love the app. One of the best in terms of usability - simple, no fancy useless statistics and graphs etc. Very intuitive, super easy to add new entries and to monitor the day/ week.”

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@wellbeingcircle.ro

“I've used countless tracking apps, even as basic as My Fitness Pal.... nothing come close to Carbon. it takes nearly all the guesswork work out and the algorithms are nearly flawless. I've seen much more progress following the app guides in my personal fitness journey, whether it was basic gyming or my transition to my powerlift journey.”

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Josh S

“Using Carbon. By far, my favorite.”

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@kwnfitbykira

Simple Pricing

All of our plans include premium customer support, the advanced food tracker, and macro coaching in your pocket

Save 33%

Best Value

$8.33 USD / month

Select Yearly $99.99 USD billed yearly

You can upgrade, downgrade, or cancel at any time.

Frequently asked questions

Yes, we REALLY are! Our goal-focused interface provides users with a seamless approach to achieving their body composition goals. No unnecessary distractions - we're about that action, boss! Track your meals, weigh-in, and let the app take it from there! Oh, and we don't have ads 😀

Yes! Carbon utilizes your personal information to determine optimal starting macros and calories based on your goal.

We've wrangled the latest in nutritional science and built it into the app! At your weekly check-in the app will use your weigh-in values and evaluate your progress toward your goal and make any necessary adjustments to ensure you're never too far from the path to success!

NO! Carbon has a vast, verified food database that we've combined with a barcode and label scanner to make tracking foods a breeze! Our goal is to GIVE you back time in your day so that you can focus on the things that matter to you - while still achieving your goals!

Well, yeah! What sort of tech company do you think we are? Carbon has Apple Health and Google Health Integrations. Turn them on, and the app takes care of the rest!

What fun is that? Carbon is built on the principles of flexible dieting - no foods are off-limits! No strict meal plans, either! Sure, you may need to make some appropriate choices, but you're a big kid with a big kid goal, you've got this! Carbon supports all diet preferences, and users have the flexibility to adjust their initial targets to best align with their preferred style of eating.

We've got you covered! Carbon provides users with a Calorie Planner feature - budget your weekly calories as you see fit - just make sure you invite us next time!

Not only can you create them, but you can also share them, too! Drop your foods into a meal, tap a couple buttons and your recipe is ready! Tap a few more buttons and share with other users!

Don't worry, you'll get there 😉 Consider joining our amazing Facebook Community. It's a pretty cool group of like-minded individuals ready to share in all your wins! Or reach out to our human support team, who are available in-app or via email!

Get Started Today! Make the commitment to your health.

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