mybmi.ai
How Sisu worksPricingGuidesFAQ
Wellness
⚖Weight management✦Hair & scalp◉Longevity & energy◐Intimacy & confidence◎Metabolic health◑Skin & dermatology☾Sleep & recovery◇Women's health◯Mental wellness
Start free →
SISU AI · Your wellness coach · Free

Free BMI.
Then meet SISU AI,
your wellness coach.

A free 30-second check. Then SISU AI, your AI wellness coach app, turns your daily inputs into a plan that adapts as your life does. Every point drifting behind this is a day of you. Free for everyone, everywhere.

Start with my BMI →What is SISU AI? →

🔒 Private by default · Educational tool · 18+ only · Not medical advice

30s
BMI calculation
9+
Wellness categories
$0
Forever for the basics
15+
Licensed US partners
Meet SISU AI, your coach in an app

I'm SISU AI. I learn your numbers and your life, and I show up daily.

SISU AI is a free wellness-coaching app. Not a chatbot. Not a tracker. An AI coach that reads what you log, adjusts to what's actually happening in your week, and tells you what to do next.

The role used to be a personal trainer, a nutritionist, a sponsor, a thoughtful aunt. For most people it's unavailable or unaffordable. SISU AI is the version that scales. Start it free, right now, no purchase needed.

Start the SISU AI app, free →More about SISU AI →
What Sisu helps with

One coach. Every goal.

Nine wellness categories. The pattern is the same in each: Sisu does the daily coaching, licensed providers handle the prescriptions when needed.

⚖
Weight management

GLP-1, alternatives, and the long-term work around both.

4 treatments · 3 partnersLearn more →
✦
Hair & scalp

For men. For women. Long-term plans, not panic buys.

4 treatments · 2 partnersLearn more →
◉
Longevity & energy

NAD+, sermorelin, peptides — the emerging anti-aging stack.

5 treatments · 3 partnersLearn more →
◐
Intimacy & confidence

ED treatments and men's libido. Discreet, US-licensed, no pharmacy visits.

3 treatments · 2 partnersLearn more →
◎
Metabolic health

Type 2 diabetes, prediabetes, insulin resistance — the continuum behind BMI.

4 treatments · 3 partnersLearn more →
◑
Skin & dermatology

Daily routines, prescription help, and the bridge between them.

4 treatments · 1 partnersLearn more →
☾
Sleep & recovery

Where every other metric gets fixed — or broken.

4 treatmentsLearn more →
◇
Women's health

PCOS, cycle, hormones, perimenopause — wellness most platforms ignore.

5 treatments · 3 partnersLearn more →
◯
Mental wellness

Stress, anxiety, burnout, mood — coached, not medicated.

4 treatmentsLearn more →
See all 9 categories →
How Sisu works

Three steps. Daily after that.

i

Start with your BMI

Height, weight, age, sex. About 30 seconds. We calculate BMI, BMR, TDEE, and an estimated body fat percentage, then use them as the entry to a deeper profile.

ii

Meet Sisu

A short profile shapes everything: your goal, conditions, sleep, lifestyle, what you actually want to work on. Sisu uses this to coach with context, not generic advice.

iii

Daily coaching

Check-ins, weekly plans, contextual insights. When a prescription is part of the right answer, Sisu routes you to licensed US providers. When it isn't, Sisu coaches the lifestyle work alone.

See the full flow →
The wedge

Most apps just track. Sisu coaches.

You can already log weight, count calories, and read articles. What you can't easily get is a coach who reads everything you log and tells you what to do about it — daily, in context, across every goal you care about.

Tracker

Logs your data.

Shows you a chart. Lets you set a goal. Tells you the same thing every day. Asks more from you than it gives back.

Coach

Reads your data.

Notices your sleep dropped before your weight stalled. Suggests a meal shift, not a generic tip. Knows when to push and when to back off. Asks less from you, gives more back.

What's covered · transparent list

The treatments Sisu can route you to.

All through licensed US telehealth partners. None prescribed by us. Disclosed inline.

Weight management
Semaglutide · Tirzepatide · Compounded GLP-1 · MIC+B12 · Non-GLP-1 alternatives
Hair & scalp
Finasteride · Dutasteride · Minoxidil · GHK-Cu peptide
Longevity & energy
NAD+ · Sermorelin · Glutathione · Methylene Blue · MIC+B12
Sexual wellness
Vardenafil · Sildenafil · Tadalafil
Women's health
Hormonal birth control · Spironolactone for PCOS · Metformin · GLP-1 for PCOS · Perimenopause HRT
Metabolic health
GLP-1 for T2D · Lifestyle protocols · CGM integration
Skin & dermatology
Tretinoin · Hydroquinone · Topical antibiotics · Azelaic acid
Sleep & recovery
Coaching only · sleep medicine referrals
Mental wellness
Stress & burnout coaching · Mood tracking · Mindfulness · Licensed therapist referrals

Partner clinics: Yucca Health · Eden Health · Strut Health · and more, applications in progress. All US-licensed, multi-state. Selection per category and per state regulation. Sisu does not prescribe — partner clinic providers do, after independent medical evaluation.

Pricing

Free forever. Pro when you want more.

Free
$0
Forever
Most chosen
Pro
$9.99
per month · $99/yr (save 17%)
For families
Premium
$19.99
per month · $179/yr
Enterprise
Custom
Employee & insurance programs
See pricing details →
Common questions

The short version.

What is mybmi.ai, exactly?+

A free AI wellness coaching platform. The BMI calculator is the entry point — but the core is Sisu, an AI coach that helps across nine wellness categories: weight, hair, longevity, sexual wellness, women's health, metabolic, skin, sleep, and mental wellness. When prescription medication is part of the right answer, we route you to licensed US telehealth providers. We never prescribe ourselves.

Is Sisu a doctor?+

No. Sisu is an educational and wellness coaching tool. It does not diagnose conditions, prescribe medication, or replace therapy. For diagnosis or prescriptions, licensed providers handle that — Sisu can route you to one when relevant.

How is mybmi.ai free?+

The BMI calculator and core coaching are free forever. When we route you to a licensed telehealth provider for medication, we may receive a commission — this is disclosed inline per FTC guidelines and doesn't affect what you pay. Pro tier ($9.99/mo) unlocks the deeper coaching features.

What conditions does Sisu cover?+

Weight management (GLP-1 and non-GLP-1), hair loss, longevity therapies (NAD+, sermorelin, peptides), sexual wellness, women's health (PCOS, cycle, hormonal birth control, perimenopause), metabolic health (T2D, prediabetes), skin/dermatology, sleep, and mental wellness coaching. Nine categories today. The list is growing as new partner verticals come online.

Is my data private?+

Yes. The BMI calculator runs entirely in your browser. Health data stays on your device by default. Cloud sync (if you create an account on app.mybmi.ai) is opt-in. We never sell user data. We share only an anonymous click identifier with affiliate partners when you choose to engage them — disclosure happens inline before any redirect.

Why "mybmi.ai" if you do more than BMI?+

BMI is the entry point everyone already knows. It's the most-searched health metric and the door to the entire metabolic and wellness conversation. We start there because it lowers the friction to start — but Sisu coaches everything that follows.

How does Sisu compare to Noom or Headspace?+

Noom is a tracker with a CBT framework. Headspace is meditation. Sisu is broader: it coaches across nine wellness categories, reads your data daily across all of them, and connects to licensed providers when needed. The aim is to do what those apps don't — integrate across categories and adapt in real time.

Can I use Sisu with my doctor?+

Yes, and we encourage it. Sisu generates PDF reports you can bring to appointments. We don't replace your doctor — we fill the gap between visits.

See all FAQ →
Guides & articles

Learn the plain-English version.

Short, fact-checked reads on BMI, GLP-1 options, and everyday wellness.

Healthy HabitsJun 19, 2026

Strength Training for Beginners: A Weight-Friendly Start

New to lifting? Learn how beginner strength training supports healthy weight, metabolism, and energy—plus when to check your numbers first.

Read the guide →
Skin & DermatologyJun 18, 2026

Why Rapid Weight Loss Can Change Your Face

Rapid weight loss can visibly change your face. Learn why volume loss, skin laxity, and fat redistribution happen — and what it means for your health.

Read the guide →
BMI BasicsJun 17, 2026

Waist-to-Height Ratio: A Simple Number Worth Knowing

Waist-to-height ratio explained: what it measures, why researchers study it, and how it compares to BMI as a health screening tool.

Read the guide →
See all guides →

Start with your BMI. Stay for the coaching.

30 seconds. Free. No signup wall.

Start free →