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Maltodextrine in energiereep en energiegel, natuurlijk is beter

Maltodextrin: Why...?

Maltodextrine in energiereep en energiegel, natuurlijk is beter
Good energy

Maltodextrin: Why...?

A personal story of Alexander Kalkman, co-founder of Kalkman. Did you know that Maltodextrin is in a lot of our food? Not me. I'd never really noticed. Among other things, it is in sweets, baby ...

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Vijf nuttige tips om jouw fietstocht in het buitenland vlekkeloos te laten verlopen
fietsavontuur

Five useful tips to ensure that your bike ride abroad runs smoothly

In our previous blog read how Jean-Jacques François and Winfried Hoenselaar experienced the Manali to Leh Highway tour. Riding this sort of bike ride abroad naturally requires a lot of preparation,...

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Hoe beleefden Jean-Jacques en Winfried een van de gevaarlijkste fietstochten ter wereld?
fietsavontuur

What was Jean-Jacques and Winfried experience of one of the most dangerous bike rides in the world?

Jean-Jacques François and Winfried Hoenselaar toured the Manali to Leh Highway, which is among the highest and most dangerous routes in the world.

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Wanneer eet ik wat?
Koolhydraten Suikers Voeding

When to eat?

Eating during your ride is to provide your body with extra carbohydrates to help defend your glycogen reserves from becoming depleted. Timing when and how much you eat helps make sure that your bod...

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Judith Janssen doet mee aan Gran Fondo La Planche des Belles Filles. In juni jongstleden nam ze deel aan de Granfondo Les 3 Ballons in de Franse Vogezen.

How do you prepare for a Granfondo? Experience expert Judith explains it to you!

After having cycled more than 170 kilometres, we had to ascend La Planche des Belles Filles: you should be able to do it. Someone who has accomplished this is 49-year-old Judith Janssen. Last June,...

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Gezonde voeding, natuurlijk, sportvoeding.
Koolhydraten Suikers Voeding

Choosing carbohydrates

A carb is a carb, right? Unfortunately the truth is a little more complicated, different carbohydrates have different properties.

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Khardung La. Manali to Leh highway. India. avontuur, toertocht, voeding, gezond
wielrennen

Cycling the Elfstedentocht in preparation for the Khardung La in India.

Two cyclists are going to cycle in India for 10 days. Including the Manali to Leh highway, then climb the Khardung La. In preparation, they participated in the #Cycling Elfstedentocht of 235km. Giv...

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Wordt vrienden met elektrolyten

Making friends with electrolytes

A simple introduction to electrolytes from a recreational cyclist's perspective.

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Natuurlijke of commerciële koolhydraten voor de duursport prestatie?
Good energy

Testing natural foods and endurance sports performance.

Carbohydrate consumption can enhance sports performance but is there a difference between natural foods and commercial supplements?

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Hoe we onze producten ontwikkelen

How we develop our products

Every Kalkman product begins with a problem to solve, just like Alexander's first energy bars. When we surveyed 110 amateur cyclists we found that the biggest problem with sports food is the taste....

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