Science
What is NTC®? FitLine’s Nutrient Transport Concept explained
You pay attention to your diet and still wonder how nutrient absorption and NTC® should be understood? Here you will find a clear explanation.
INDEPENDENT DISTRIBUTION PARTNER OF PM-INTERNATIONAL AG
For people who achieve a lot every day
You keep going every day.But do you still truly feelenergized?
Discover a simple daily nutrition routine that fits even into a stressful everyday life—without complicated plans or unrealistic promises.
Simple in everyday lifeExplained transparentlyA personal perspective
Take your time to learn more · explained transparently · personal experiences instead of big promises
Morningtired again?
Afternoonfocus and energy starting to fade?
Eveninghardly any strength left for yourself?
FITLINE ON TRUSTPILOT
67% give FitLine five stars.
FitLine currently has an overall rating of 4.3 out of 5, based on 1,268 reviews.
Overall rating4.3 / 5
1,268 reviewsAs of 26 July 2026
Reviews reflect personal experiences.
Read all reviews on TrustpilotDoes this sound familiar?
You accomplish a lot. Yet your energy often does not last throughout the day.
Not every day feels the same. But when tiredness, stress and a lack of concentration become routine, the things that truly matter to you are often what fall by the wayside.
Morning
The day begins—but your energy has not caught up yet.
You get up and already feel like you could use another break.
Afternoon
Concentration and performance begin to decline.
Work, appointments and family life continue—but you can feel your energy running low.
Evening
There is hardly anything left for you.
Exercise, leisure time or mindful nutrition get postponed until tomorrow.
That does not automatically mean a lack of discipline.
Often, it is not motivation that is missing, but a simple structure that works even on stressful days. This is exactly where the daily morning–day–evening routine comes in.
Your simple daily routine
Morning. During the day. Evening.A few minutes instead of complicated plans.
You do not have to completely change your everyday life. A clear morning–day–evening structure helps you maintain the routine even when work, family and appointments leave little room.
FitLine PowerCocktail
Morning · start mindfully
A consistent starting point for your daily nutrition routine. You will find the ingredients and directions for use in the current product information.
FitLine Activize Oxyplus
During the day · supplement flexibly
Intended for use throughout the day. Pay particular attention to the ingredients, caffeine content, recommended daily serving and your personal tolerance.
FitLine Restorate
Evening · complete the routine
A mineral product for the evening routine. Magnesium contributes to normal muscle function and normal energy-yielding metabolism.
View the Optimal Set and special price →
Open the official shop at your convenience · check the current terms there
Quality explained clearly
First, the routine.Then, the quality.Understand what you use every day.
You do not have to be a nutrition expert. What matters is that you can understand the ingredients, how to use the products and their quality characteristics—without having to rely on big promises.
NTC®Manufacturer-developed concept
Transparency instead of big promises
What matters is the current list of ingredients, dosage, product labelling and whether long-term use fits your everyday life.
Understanding energy metabolism objectively
Certain B vitamins contribute to normal energy-yielding metabolism and to the reduction of tiredness and fatigue. The specific product formulation is what matters.
Immune system and cell protection
Vitamin C, zinc and selenium may contribute to the normal function of the immune system within the scope of authorised claims. Always check the specific product label.
Muscle function and everyday life
Magnesium contributes to normal muscle function and normal energy-yielding metabolism. Food supplements are not a substitute for a balanced diet.
Trust
You should not simply believe. You should be able to understand.
Sports partnerships can attract attention. For your decision, however, what matters is specific product information, transparent quality characteristics and whether the routine truly suits you.
Understand NTC® clearly
NTC® is the manufacturer-developed Nutrient Transport Concept. Evaluate specific products based on their ingredients, dosage and authorised claims.
Check the Kölner Liste® entry for the specific product
Selected products are listed. For athletes, the current listing of the specific product is always what matters.
Personal experience remains personal
What other people experience can provide guidance—but it is not a guarantee of your own experience.
NTC®Manufacturer-developed concept
DEManufacturing
Kölner Liste®Check the specific listing
PersonalHonest assessment
Why I use FitLine myself
I was not looking for a miracle cure. I wanted a straightforward routine that I could integrate into my everyday life over the long term.
My decision began with scepticism
I reviewed the ingredients, quality characteristics and the usage concept, and then incorporated the products into my own everyday life. My experiences are personal and do not constitute a general promise of results.
- No miracles and no guaranteed results
- A clear morning–day–evening structure
- Personal guidance without unnecessary sales pressure
Free and easy to understand
Your simplewellness routine for stressful days
Would you like to take better care of yourself without following complicated plans? The guide shows you how to build a realistic morning–day–evening structure and understand product information more clearly.
A simple routine for morning, daytime and evening
Quality, ingredients and NTC® explained clearly
Receive your free guide
Practical routine tips and a 10% discount in the official shop
Continue reading at your own pace
View all postsIf you would like to learn more
Explore the topic that best matches your current situation—from a simple daily routine to an objective understanding of NTC® and product quality.
Performance
Why professional athletes choose FitLine: safety, quality, results
Sports partnerships look impressive. What matters, however, is what they actually say about quality, safety and the specific product selection.
Products
FitLine Optimal Set: your complete daily nutrition routine
You would like to take better care of yourself but do not have time for complicated plans? Here is how the Optimal Set’s morning–day–evening structure works.
Honest answers before you decide
What you may still want to know
No purchase decision without open questions. Here you will find clear answers about benefits, price, everyday practicality, safety and ordering.
01Is FitLine right for me?
The most important concerns about everyday life, benefits and your personal situation.
Decision
Ordering
02Products, quality and ordering
Objective information about use, product checks and official terms.
Products
Use & results
A routine that remains realistic even on stressful days
You have now seen how the morning–day–evening structure works and what to consider regarding quality, use and personal expectations.
Clear daily structure
Clearly organised for morning, daytime and evening.
Explained transparently
Product information instead of exaggerated claims about effects.
Current terms
Check prices and contractual details directly in the official shop.
You decide
Learn more at your own pace and decide for yourself whether the routine suits you.
Does the Optimal Set suit your everyday life?
Open the official shop, check the products, ingredients, price and terms, and then decide for yourself.
A few fixed times instead of complicated plans
Current product details and directions for use
Check the 10% discount on selected packages in the official shop
View the Optimal Set and current special price
Redirects to the official shop · decide at your own pace
Do you already use FitLine?
Then you can review the official refer-a-friend programme. According to the programme information, a successful referral may qualify for a FitLine voucher worth 10% of the purchase price. The currently displayed terms and conditions of participation apply.
This section is intended for existing customers. Check all details directly in the official programme before making a referral.