Hardgainer: the system for everyone
who struggles to gain weight.

You eat, you train, the scale will not move. In 60 seconds you know how much you really need to eat. This is for hardgainers and hard gainers.

FreeNo signupStraight in the browser

Christian SchönbauerBy Christian Schönbauer. Under 50 kg in 1999, peak 75.52 kg in April 2025.

Christian Schönbauer in front of the HARDGAINER lettering. For every hard gainer who struggles to gain weight. Under 50 kg at 16, 75.52 kg in April 2025. Stop guessing: calorie calculator, meal plan, workout plan.

Follow @hardgainerperformance on TikTok, Instagram and Facebook (in German)

The engines

6 engines. One system.

Free, no signup, straight in the browser. First identify, then calculate, then execute.

  1. Hardgainer or Softgainer icon
    01 Identify

    Hardgainer or Softgainer

    Seven questions, one index from 0 to 100. Are you a hardgainer at all?

    Start the test
  2. Hardgainer Test icon
    02 Identify Pro

    Hardgainer Test

    Nine questions, five areas, one result: your bottleneck type.

    Start the test
  3. NEAT Calculator icon
    03 Calculate New

    NEAT Calculator

    Your steps as daily-life calories burned, with the matching activity level for the calorie calculator.

    Open calculator
  4. Calorie Calculator icon
    04 Calculate Pro

    Calorie Calculator

    Your starting calories in 60 seconds, with a hardgainer margin instead of a standard formula.

    Get your number
  5. MealPlan Generator icon
    05 Execute Pro

    MealPlan Generator

    Turns that number into a day you can actually finish on a small appetite.

    Plan your day
  6. Workout Plan Generator icon
    06 Execute Pro

    Workout Plan Generator

    Volume, frequency and progression, matched to what you can recover from.

    Build your plan

If you want to save, export and fine-tune, take Hardgainer Pro. One-time payment, no subscription. All six engines at a glance on the tools page.

In brief

In 30 seconds: what this is about.

The problem

Not a lack of will. An energy gap.

You eat. You train. Nothing happens.

This is not a character flaw. It is an equation that does not add up.

Calculate your number
The cause

Your bottleneck has a name.

  1. IntakeCalories and protein
  2. NEAT & cardioYour daily-life burn
  3. TrainingStimulus and progression
  4. RecoverySleep and stress
  5. ConsistencyRoutine and follow-through

Nine questions show which one it is for you.

Take the Hardgainer Test
What's coming

Not for everyone. For hardgainers.

We are working on our own supplement line.

Built for exactly these bottlenecks, not for the mass market.

In development
  • No date
  • No pre-sale
  • No hype
Be there at launch
Who builds this

Hardgainer since 1999.

Christian Schönbauer, 1.78 m. Tried almost every system.

Peak, April 2025+9.61 kg
75.52 kg
Under 50 kg in 1999. 17 data points, Dec 23 to Apr 25. A peak, not a permanent state.

No trick. A system and patience.

See the full curve
Christian Schönbauer in 2002, early training phase Christian Schönbauer in 2025, front view Christian Schönbauer in 2025, back view

I was under 50 kg.My peak: 75.52 kg. It took a long time to understand why.

The explanation

Why nothing happens to you

Your daily life burns more than you think.
You are full before enough went in.
Your training costs more than it builds.

Your daily life burns more than you think

Fidgeting, walking, standing, restlessness. That runs under NEAT and is often the part of a hardgainer's TDEE that varies the most. Add exercise activity on top of it. Together they explain why your maintenance calories sit higher than any standard calculator says. The NEAT Calculator turns your steps into that number. Deeper in the deep dive on calorie needs.

You are full before enough went in

Appetite is not a character trait, it is a signalling system built on ghrelin and leptin. Eat high volume and low energy and you end up full without gaining. The lever is energy density and distribution, not willpower. Practical side in the meal plan for a low appetite.

Your training costs more than it builds

Between MEV and MRV lies the range where training works. Above it every extra set turns into junk volume: fatigue without growth. You steer that with RIR and the SFR. Numbers in the deep dive on workout volume.

Not bad genetics. An energy gap you can steer. What a hardgainer really is

What this is

We build a system, not motivation

Hardgainer Performance Nutrition® is a specialised brand for people who build body weight and muscle only with difficulty, despite training, discipline and a small appetite. Not a general fitness portal, a place for this one specific starting position.

Plus six core topics from training to mindset, and the first Hardgainer Supplements of our own, once they meet our standard.

Built by Christian Schönbauer. Under 50 kg at 16, peak 75.52 kg in April 2025. I was a hardgainer myself.

Social media

From the feed. New every week.

Hard Truth, site tours and the story behind it. On Instagram we show what gaining weight with a system looks like in everyday life, in German.

  • Christian in 2002 after three years of training: That was me. Do you recognise yourself?Christian's story
  • Hard Truth: I never took a break. Today rest is part of the plan.Hard Truth
  • Spoken by Christian Schönbauer: Just eat more?Spoken film
Common questions

What hardgainers ask most

What is a hardgainer?

A hardgainer gains weight only with difficulty despite training and eating. Common reasons: high energy expenditure through NEAT, low appetite and the wrong training dose. The term describes a structural energy gap, not a willpower problem. Full explanation.

Where do I start today?

With your number from the calorie calculator, your daily-life burn first with the NEAT Calculator. Then 10 to 14 days of trend weight, then meal plan and workout plan. One variable at a time.

How do I find my starting calories?

Start at your maintenance calories, watch your weight over 10 to 14 days, then adjust. Fastest with the calorie calculator.

How fast should I gain?

Controlled. Steer by the weekly average and adjust in small steps. Use rate of gain as your guardrail, not the daily number on the scale.

How much protein do I need as a hardgainer?

Spread protein across the day instead of packing it into one meal. What matters is that every serving hits the leucine threshold. Beyond that, more in the same meal adds little.

More questions
How often should I train?

Often enough to land between MEV and MRV. More sessions only help as long as you recover from them. Details in the deep dive on workout volume.

What do I get with Hardgainer Pro?

Hardgainer Pro unlocks the Pro versions of the calorie calculator, meal plan and workout plan, including saving, PDF export and advanced settings. One-time payment, no subscription.

Do I need supplements to gain weight?

Supplements can support you, but they never replace the basics: enough calories, enough protein, clean training and recovery.

When are the Hardgainer Performance Nutrition® supplements coming?

In development. They launch only when they meet our standard. Through the Hardgainer Mission Briefing™ you will be the first to know.

The next step

Which one is holding you back?

Hardgainer or Softgainer tells you whether you are a hardgainer. This one tells you why.

9 questions. One clear result. Free, start right away.

Hardgainer Mission Briefing™

One clear mission every week.

Not a newsletter, a weekly mission. One focus, three concrete steps, five days of execution. Plus new drops before anyone else.

Hardgainer Hacks™ PDF Hardgainer Hacks™ right after you confirm. 10 strategies for real mass gain, straight to your inbox.

After signing up you get a confirmation email (double opt-in). Click it, otherwise nothing can be sent. Every issue published so far is in the Briefing Archive. Details on data processing in the privacy policy.