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Knowledge base

In our Knowledge Base you'll find articles about supplements and training: from ingredients and dosages to strength training, bodybuilding, health, recovery, and practical explanations to help you make better choices.

Knowledge base

Wat is saffraan extract?
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What is saffron extract?

Josse de Wijs

Saffron extract is a standardized extract of Crocus sativus. Research primarily shows effects on mood and possibly sleep, with mostly mild side effects.

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Knowledge base

Wat is melatonine?
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What is melatonin?

Josse de Wijs
Wat is GABA
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What is GABA (gamma-aminobutyric acid)?

Josse de Wijs
Aswagandha veilig lange termijn
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Is ashwagandha safe long-term?

Josse de Wijs
Vitamines in pre-workout supplementen
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Vitamins in pre-workout supplements

Josse de Wijs
Wat is zwarte peper extract in pre-workout?
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What is black pepper extract in pre-workout?

Josse de Wijs
Wat is huperzine A in pre-workouts?
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What is huperzine A in pre-workouts?

Josse de Wijs
Wat is de werking van zeezout in pre-workout?
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What is the effect of sea salt in pre-workout?

Josse de Wijs
Wat is kalium en wat is de werking in pre-workouts?
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What is potassium and how does it work in pre-workouts?

Josse de Wijs
Wat is CDP-choline en wat doet het in pre-workouts?
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What is CDP-choline in pre-workout?

Josse de Wijs
Wat is groene thee extract in pre-workout
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What is green tea extract in pre-workout?

Josse de Wijs
Wat is L-Tyrosine in pre-workout?
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What is L-Tyrosine in pre-workout?

Josse de Wijs
Wat is betaïne anhydraat?
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What is betaine anhydrate?

Josse de Wijs

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