Look & feel better, every day.

Reclaim your .

Oivana learns your lifestyle, diet and habits, then shows you exactly what to change to look and feel better.

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WHO 2020NSF 2015NASEM Dietary Reference IntakesKodama 2009Paluch 2022Momma 2022Stevens 2006Gabbett 2016Coyle & González-Alonso 2001Karvonen 1957Zourdos 2016ISSN position stand (Jäger 2017)Quer 2020Kanellakis 2023Doma 2017Schoenfeld 2017Schoenfeld 2016Eddens 2018Wen 2019ACSM 2009 (Donnelly)ACOG PMS FAQ 2021Bertone-Johnson 2005Shilaih 2017Nutri-Score update 2022Monteiro 2019 (FAO)Hall 2019Re & Rule 2016Mifflin–St Jeor 1990Ebbeling 1991Kredlow 2015USDA FSIS safe temperature chart 2024Leong 2015Armstrong 2012Jéquier & Constant 2010Harkin 2016Frankenfield 2005Lally 2010Volpi 2004Mandsager 2018Shephard 20092024 Compendium of Physical ActivitiesLovelady 2000DGAC 2020
Watson 2015Van Dongen 2003EFSA 2010Kaminsky 2015Yin 2017Zhang 2016NICE NG246Seiler 2010Helgerud 2007Tanaka 2001ACSM 2026NHLBI clinical guidelines (1998)White 2011ACSM 2011 (Garber)Robineau 2016Baz-Valle 2022Murlasits 2018Schumann 2022Behm 2016ACOG 2020McNulty 2020Schmalenberger 2019Baker & Lee 2018Qin 2021Lane 2024Bauer 2013Puetz 2006Lambe 2025EU Regulation 432/2012PAGAC 2018WHO healthy diet fact sheet 2026EWGSOP2 2019Ganio 2011Pilcher & Huffcutt 1996Wolfson & Bleich 2015Fulgoni 2011Fernández-Elías 2015Srikanthan & Karlamangla 2014Fleg 2005Paterson 1999ACOG 2018NHS 2026
Backed by research

Backed by 60+ years of research and studies.

Every target, pattern and verdict in Oivana comes from published research and official guidelines — and names its source wherever you see it.

85+studies and guidelines behind the app
Wellness insights, not a diagnosis. Every source is named in small print where the app uses it.
1957 Heart-rate zonesKarvonen 1957
1990 Starting energy needsMifflin–St Jeor 1990
1997 Daily vitamin and mineral targetsNASEM Dietary Reference Intakes
2003 Sleep debtVan Dongen 2003
2006 Exercise and your energyPuetz 2006
2009 Fitness in Oivana AgeKodama 2009
2012 What each nutrient doesEU Regulation 432/2012
2016 The right effort, every setZourdos 2016
2017 Protein for muscleISSN position stand (Jäger 2017)
2022 Steps and a long lifePaluch 2022
2025 Waist guideNICE NG246
2026 Strength trainingACSM 2026
Nutrients

Restore balance for energy and glow.

Iron, B12 and folate help fight tiredness; vitamin C and zinc support normal skin. Run short and you lose that help. Oivana checks each meal against 26 nutrients.

Tiredness and skin: EU Regulation 432/2012. Daily targets: NASEM Dietary Reference Intakes.
Nutrients

Strong muscles, bones, immunity.

Magnesium and calcium contribute to normal muscles, nerves and bones; zinc to normal immune function and skin. Fall short and those jobs go short. Oivana tracks each one.

What magnesium, calcium and zinc do: EU Regulation 432/2012.
Meals

Know your meals, inside and out.

Don’t just eat. Every food shows its macros and how nourishing it is, and ultra-processed food, linked with 32 of 45 health outcomes studied, scores lower.

How nourishing: built on the Nutri-Score update 2022. Ultra-processed food and health: Lane 2024.
Meals

Make every meal count toward your goal.

As you log, Oivana reads the meal against your day so far, your goal and the clock: a good protein anchor, carbs already running high, a late meal before bed, or a meal that fills a gap.

Logging dinnerExample
Salmon, rice and greensDinner · 20:50 · 610 kcal
Good fitGood protein anchor
Good fitThis helps fill meaningful nutrient gaps
Heads-upLate meal for sleepYour usual bedtime is around 22:30, so this meal may feel heavy and make it harder to wind down.
Meals

Know where you stand at every meal.

Every meal you log fills in calories, protein, carbs, fat and fibre against your targets, and your day adds up all 26 vitamins and minerals.

Meals

Eat right for your body and your goal.

Your calorie and macro targets come from your goal, your body, how active you are and how you eat, then learn from your meals and weigh-ins. Vitamin and mineral targets follow the official intakes for your age, sex and life stage.

Daily targets: NASEM Dietary Reference Intakes. Starting energy needs: Mifflin–St Jeor 1990.
Your targets, built from youExample
Goal · lose fat3 workouts a weekWoman, 34
CaloriesLearned from your meals and weigh-ins 1,950kcal
ProteinYour goal and body weight 115g
IronOfficial intake, women 19–50 18mg
CalciumOfficial intake, women 19–50 1,000mg
Workouts

Get stronger with a plan made for you.

Oivana builds your plan around your goal and your week, then lines up today’s session. Regular exercise lifts your energy, and strength work goes with a longer life.

Exercise lifts feelings of energy: Puetz 2006. Strength training and a longer life: Momma 2022.
Workouts

Lift a little more, week after week.

Strength keeps coming when your training keeps progressing. Oivana sets each target from your last session and raises the weight or reps once you beat it.

Healthy adults should train progressively: ACSM 2026 resistance-training position stand.
Workouts

Train at the right effort, every set.

After each set, tell Oivana how many more reps you had in you; your next targets follow. On cardio, a heart-rate strap or watch shows your zone live.

Reps in reserve: Zourdos 2016. Heart-rate zones: Karvonen 1957.
Workouts

See what every workout did for you.

Each session ends with a debrief written from your sets: what you beat, your new records and what to aim for next time.

Muscle

Keep your muscle as you age.

Grip strength predicted early death better than blood pressure, and muscle loss builds over a lifetime. Oivana watches what leads to it and tells you how to fix it.

Grip strength vs blood pressure, 139,691 adults: Leong 2015. Muscle loss across life: EWGSOP2 2019.
Muscle

Is your diet keeping your muscle?

Most people who train do well on 1.4–2.0 g of protein per kg a day. Oivana counts a day once you reach 90 % of your target, so short days show before they add up.

Protein for people who train: ISSN position stand (Jäger 2017).
Body

Optimize how you look and feel.

It starts with your energy burn: the calories your body uses in a day. Formulas only estimate it and can miss for you; Oivana learns yours from your meals and weigh-ins.

Resting-calorie formulas can be off for an individual: Frankenfield 2005.
Body

Stay calm when the scale jumps.

Water and food swing your weight every day, and reacting to them misleads you. Oivana shows your true weight, the smoothed trend, so you see only real change.

A change under 3 % of body weight counts as stable: Stevens 2006.
Movement

Your body needs strain, every day.

The right amount helps your insulin sensitivity, blood pressure and sleep that same day. Oivana sets your target from your profile and usual activity.

One active day helps blood pressure, insulin sensitivity and sleep that day: PAGAC 2018.
Movement

Enough to feel good, never too much.

The fewest daily steps go with a shorter life, and a sudden jump far past your usual raises injury risk. Your target eases after short sleep, lifts when you recover.

Daily steps and a longer life: Paluch 2022. Sudden jumps in load raise injury risk: Gabbett 2016.
Hydration

Skip the slump of mild dehydration.

Losing about 1.5 % of body weight as water lowered mood and focus and brought fatigue and headaches in healthy young adults. The “by now” line shows when you fall behind.

Mild dehydration, mood and focus: Armstrong 2012 (women); Ganio 2011 (men).
Hydration

Never fall behind on salty days.

Your base is sized to your body weight and training. On saltier days, every 500 mg of sodium over your plan’s reference adds 250 ml, up to a litre.

Sleep

Pay back lost sleep, the easy way.

Two weeks of 6-hour nights dulled people like a night awake, and they barely noticed. Oivana pays your debt back with slightly earlier bedtimes.

Two weeks of 6-hour nights, like a night without sleep: Van Dongen 2003.
Sleep

Find what makes your best nights.

Tap how the night felt and what stood out. Oivana links it to your days, and tonight’s plan shows when to wind down.

Supplements

Log supplements, Oivana does the rest.

Log each supplement as you take it. Oivana adds its vitamins and minerals to what your meals give you, so you see one real total, not a guess.

Daily targets: NASEM Dietary Reference Intakes.
Cycle

Fewer surprises, every month.

Log your period and Oivana estimates your phase and your next period, with tips for each phase and a coach that knows where you are.

Ask Oivana

Start each day with a clear focus.

Oivana learns your own baseline and gives you insights you can act on, every day. No wearable needed: your meals and weigh-ins count too.

Tracking progress helps people reach their goals: Harkin 2016.
Quests

Six quests. Start one, or run several side by side.

Each quest turns the change you want into a plan built for your body and your days, and every quest is reviewed every week.

Better Body

Look and feel your best.

Pick your goal and Oivana builds the plan: targets for each day’s meals, training that steps up as you do, and a weekly check-in. Your plan keeps adjusting to how your body responds, so you keep moving toward it.

Healthy adults should train progressively: ACSM 2026 resistance-training position stand.
Better Skin

Clearer, calmer skin you’re happy to show.

A routine made for your skin that keeps adjusting as your skin changes: a morning and an evening routine to tick off, and one face photo a week, so you stop guessing what to use and start seeing progress.

Nutritional Balance

Energy that lasts, from the food you already eat.

Every meal you log fills in your read. 3 full days of meals show all 26 vitamins and minerals; then your biggest gap is named, with the foods that close it.

Tiredness and skin: EU Regulation 432/2012. Daily targets: NASEM Dietary Reference Intakes.
Heart & Stamina

Stamina for stairs, sport and everyday life.

150 cardio minutes a week, with hard minutes counting double. From week 3, one hard session of 4×4 intervals, and a VO₂ max retest every 6 weeks shows what changed.

Cardio fitness and a longer life: Kodama 2009.
Better Hydration

Steady energy from morning to night.

Water is half of hydration. The other half is the potassium and sodium in your food. This quest balances both, one day at a time.

Mild dehydration, mood and focus: Armstrong 2012 (women); Ganio 2011 (men).
Energy & Longevity

A longer, healthier life.

Four everyday habits that can help you sleep better, feel stronger and keep your energy up: move, strength, sleep and protein, checked every week.

Fitness: Kodama 2009. Steps: Paluch 2022. Sleep: Yin 2017.
Why it works

The more you log, the better it fits.

The more you log, the more Oivana learns and reviews your quest every week, around your sleep, meals and training. People who track progress reach goals more often.

Tracking progress helps people reach their goals: Harkin 2016 (138 studies).
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