When to take it
During long efforts or right after training.
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PerformanceStrong evidence
Dextrose
Also known as: glucose, grape sugar
Dextrose is pure glucose, a simple sugar absorbed very quickly that raises blood sugar fast. In sport it is used for a quick top-up of energy and glycogen.
What it is used for
- fast energy during exercise – strong evidence for carbohydrates
- glycogen replenishment after training – strong evidence
- quick correction of low blood sugar – established use
Forms and how they differ
powder
sweet, dissolves quickly
tablets
handy on the go and for low blood sugar
Pairs well with
Protein after training, electrolytes, creatine.
Do not combine / separate
Do not use it outside sport or as an everyday sweetener.
Watch out for
With diabetes, prediabetes or insulin resistance, consult your doctor. In pregnancy or with liver or kidney disease, a doctor's advice is recommended.
Safety
A common food ingredient; the main risk is excess sugar. Do not exceed the label dose.
Practical tip
For endurance work, dextrose with fructose is often better tolerated than dextrose alone.
Products containing Dextrose 1
Dextrose
How to read the evidence rating
Strong evidenceModerate evidenceWeak evidenceNo evidence
Strong = several good human studies or official recommendations; moderate = promising but smaller studies; weak = few studies or mixed results; no evidence = claims not confirmed.
Combination check
Select the supplements you take and, if relevant, your medicines. We show what interferes, what needs a time gap and what to watch out for.
Check Dextrose with othersWhich supplements do you actually need?
Fénix Methode picks them from your blood results and schedules when to take what – no needless purchases.
From the same group
AmylopectinModerate evidenceBeta-alanineStrong evidenceBHB ketonesWeak evidenceCaffeineStrong evidenceCreatineStrong evidenceD-aspartic acidWeak evidence
Important notice
This information is educational and does not replace advice from a doctor or pharmacist. We do not give medicine dosages. Supplements are no substitute for a varied diet; if pregnant, breastfeeding, ill or on medication, consult a doctor first.