Longefity - Personal Training & Health Coaching
Personal trainer
4.915 reviews · GoogleThe listing shows 18 services. Prices start at €199. On Google it has 4.9 out of 5 from 15 reviews.

About Longefity - Personal Training & Health Coaching
Longefity offers health coaching for high performers. The coaching focuses on exercise, relaxation and nutrition, using data such as blood values, wearable data and CGM.
Services
Longefity offers personal support through programmes and additional measurements. The coaching includes training plans, nutrition advice, sleep optimisation and stress management.
- The Start – Foundation: 12 weeks of intensive support
- The Follow-up – Maintain: monthly support
- Blood Values Essentials
- Blood Values Advanced
- CGM
Approach
The coaching starts with an introductory meeting. Based on data and goals, a personal, holistic plan is drawn up covering exercise, relaxation and nutrition, with insights and adjustments during the programme.
- Introductory meeting
- Holistic plan
- Insights & adjustments
Specialisms
The approach combines training, recovery and nutrition coaching with health data and health technology.
- Balance training and movement technique
- Strength training
- Zone 2 cardio
- VO2 max training
- Sleep optimisation
- Breathing techniques
- Metabolic coaching and CGM data
- Wearable analysis and coaching
- Blood value insights
About the founder
Cas Ong is a health specialist and founder of Longefity. He worked for years as a personal trainer and is interested in longevity science, metabolism and health technologies.
Practical information
An introductory meeting is free of obligation, lasts 30 minutes and takes place online. Longefity provides lifestyle advice, not medical advice; people with significantly abnormal values are referred to a GP or specialist.
- Foundation includes Blood Values Essentials and CGM support
- Maintain can be cancelled monthly
- Foundation includes personal online support and 24/7 availability via chat
Services and prices
Health coaching
- The Start – Foundation€1999
- The Follow-up – Maintain€199
- Wearable analysis & coaching
Vitality assessment
- Blood Values Essentials
- Blood Values Advanced
- CGM
Personal training
- Balance training
- Movement technique
Strength training
- Strength training
Conditioning training
- Zone 2 cardio
Performance training
- VO2 max training
Sleep coaching
- Sleep optimisation
Breathing coaching
- Breathing techniques
Nutrition coaching
- Metabolic coaching
Nutrition advice
- Nutrition advice
Training plan
- Personal training plan via app
Coaching
- Monthly coaching call
Fitness assessment
- Free introductory meeting30 min
Prices are indicative. Check with the business before you go.
At a glance
| Listed under | Personal trainer |
|---|---|
| Number of services | 18 |
| Prices | €199 – €1999 |
| Google rating | 4.9 out of 5 (15 reviews) |
| Weekend | Saturday, Sunday |
| Languages | Nederlands, Engels |
| Website | longefity.co |
| Last updated | October 2026 |
Good to know
- Free intro
- Yes
Ratings
- 4.9Google15 reviews
Ratings belong to the platforms named. Read the reviews there.
Frequently asked questions
What does Longefity - Personal Training & Health Coaching offer?
Longefity - Personal Training & Health Coaching lists 18 services, including The Start – Foundation, The Follow-up – Maintain, Blood Values Essentials, Blood Values Advanced and CGM.
When is Longefity - Personal Training & Health Coaching open?
Monday 00:00–24:00, Tuesday 00:00–24:00, Wednesday 00:00–24:00, Thursday 00:00–24:00, Friday 00:00–24:00, Saturday 00:00–24:00, Sunday 00:00–24:00. Check with the business before you go.
How do I book with Longefity - Personal Training & Health Coaching?
Or contact the business through its website.
How is Longefity - Personal Training & Health Coaching rated?
On Google, Longefity - Personal Training & Health Coaching has 4.9 out of 5 from 15 reviews.
This listing is based on public information, such as the business's own website. It can contain mistakes.
Contact
Longefity - Personal Training & Health Coaching does not manage this listing yet. Contact the business directly.
Opening hours
| Monday | 00:00–24:00 |
|---|---|
| Tuesday | 00:00–24:00 |
| Wednesday | 00:00–24:00 |
| Thursday | 00:00–24:00 |
| Friday | 00:00–24:00 |
| Saturday | 00:00–24:00 |
| Sunday | 00:00–24:00 |
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