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UNALTERED Athletics: weight loss supplements and app

A smiling couple with their bikes in the driveway, their kids' bikes in the garage behind them

Weight Loss Built for Real Life.

Clinically dosed supplements with an app that keeps you consistent, so you can feel confident in your skin and be there for the people you love.

Best-Selling Supplements

Find your daily support.

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How to lose weight with UNALTERED

Three simple steps to support your weight loss goals.

Supplements support the work. The UNALTERED App gives you a personalized weight loss plan and helps you stick with it. Together, they are the system.

  1. Step 1: Choose your supplement stack.

    Order the weight loss supplements that best fit your goals. Every formula is clinically dosed and third-party tested.

  2. Step 2: Follow a personalized weight loss plan.

    Download the UNALTERED App to get your personalized weight loss plan, equipped with all the tools you need to stay consistent.

    Free with any supplement subscription.

  3. Step 3: Build healthy habits daily.

    Take your weight loss supplements as directed, and use the UNALTERED app daily to avoid making your weight loss journey feel like a full-time job.

Start now
UNALTERED Slim Tighten Tone, Appetite Control, Belly Fat Burner and Muscle Builder bottles on a kitchen counter as someone takes a softgel

Step 1: Choose your supplement stack

Choose your weight loss supplements.

Most weight loss supplements use the wrong ingredients in the wrong amounts. Ours are dosed at the proper levels used in clinical research, and every formula is third-party tested for label accuracy. Dosed to work. Dosed to be safe.

  • Clinically dosedActive ingredients at the amounts used in published studies.
  • 3rd-party testedEvery batch verified by an independent lab.
  • Assembled in the USAMade in a cGMP facility.
  • Below NTP thresholdsFormulated below NTP-reported toxicity levels, so side effects are rarely reported.
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Step 2: Download the UNALTERED App

The weight loss plan that keeps you consistent.

Point your camera at your plate and the App logs it. Follow a plan built for the time and energy you actually have. Free with any supplement subscription.

  • Custom calorie targetsSet from your goal, body and schedule.
  • Quick meal loggingAI calorie tracking from a photo. No searching, no weighing.
  • Delicious recipesSimple meals that fit your targets.
  • Video-led workoutsFollow along at home, in the garage or at the gym.
  • AI coachAnswers and adjustments, any time of day.
Get My Weight Loss Plan
UNALTERED Recipes in the app, with calories and macros for each breakfast and lunch
Scan Meal in the app: grilled chicken, white rice and black beans scanned at 704 calories
Meal logged · 704 kcalDay 21 of 90

Step 3: Use your supplements & app daily

Stay on track with an easy, daily weight loss routine.

A woman photographs her breakfast with the UNALTERED app, which shows the meal's calories and macros, with Slim Tighten Tone and Appetite Control beside her

Take your supplements as directed, log your meals and workouts, and check in with your AI coach. Bring your supplement routine, nutrition, and fitness together in one personalized weight loss plan.

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The complete weight loss system

Everything you need to get back in shape in 90 days.

Our bundles pair targeted supplements with the UNALTERED App for nutrition, workouts, and daily AI coaching — at a lower price than buying each supplement separately.

Slim Tighten Tone, GLP-1 Support and Appetite Control bottlesFor women 35+

The 90-Day Metabolism Reset

Appetite Control before meals, GLP-1 Support between meals, and Slim Tighten Tone to support metabolism and lean muscle.

  • Slim Tighten Tone CLA
  • GLP-1 Support for Women
  • Appetite Control for Women
  • UNALTERED App with AI coaching included
Shop the Women’s System
Belly Fat Burner and Muscle Builder bottlesFor men 35+

The 90-Day Burn & Build System

Belly Fat Burner supports fat reduction and metabolism. Muscle Builder supports strength and recovery, so you keep the muscle while you lose the belly.

  • Belly Fat Burner
  • Muscle Builder
  • UNALTERED App with AI coaching included
Shop the Men’s System

App access and AI coaching included with your supplement subscription.

Oscar Muñoz kissing his son Zach on the head as Zach holds a bodybuilding trophy and medal

From the founders

“We started this company because we were tired of watching people get sold supplements that were never dosed to work, and then blame themselves when nothing changed.”
Oscar & Zach MuñozFather and son, co-founders. Pro natural athletes.
Read our story

What our community is saying.

  • “This works well for me with the help of exercise. i lost 8lbs so far. Highly recommended and also helps suppress your appetite.”
  • “I've been using this new product for a few weeks now & I'm loving the way I feel and look! I feel regulated and less bloated, but I still have energy and I'm not starving. Great product to add to your regular health & fitness routine!”
  • “I honestly was skeptical about this product as I'm often suspicious of weight-loss products. I tried few in the past to no avail. I'm a healthy 54 years old dad who happens to have a small dad's bod that is as hard as a rock. I often joke with my with saying: "if my money stick to me as my belly fat…”
  • “I started this product with the hope of increasing my stamina and drive for my workouts. I’ve been looking for a way to get my edge back. This product seems to have accomplished the job. My weight training time has increased dramatically. I have noticed the increased blood flow which has helped my w…”
Weight loss, nutrition & fitness tips

Real-life advice for getting back in shape after 30.

Straight answers on weight loss, supplements, healthy eating, and building muscle — so you can spend less time guessing and more time making progress.

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A mother, father and two kids jogging together on a sunny park path

Be the example your kids grow up with.

Build healthy habits for yourself — and show your children what consistency looks like.

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