Health Guide

Isomaltulose

Isomaltulose is a natural, plant-derived carbohydrate found in honey and sugarcane. Often marketed under the name Palatinose™, it is a 'slow carbohydrate' that provides sustained energy without the sharp spikes and crashes associated with regular table sugar. Unlike artificial sweeteners that provide zero calories, isomaltulose provides full energy (4 kcal/g) but is digested much slower. This makes it a favorite among athletes and health-conscious individuals seeking stable blood sugar levels and long-lasting endurance.
Evidence BasedDietary Supplement
Isomaltulose
VERIFIED SOURCE

Bio-Activity Analysis

Glycemic Index Comparison

SCIENTIFIC DATA VISUALIZATION

Y-Axis
Glycemic Index (GI)
Carbohydrate Source

Health Benefits & Sources

Why You Need It

  • Steady Energy Release: Provides fuel for 2–4 hours without a sugar crash.
  • Stable Blood Sugar: Low glycemic index (32) prevents insulin spikes.
  • Fat Burning: Promotes higher fat oxidation during exercise.
  • Dental Health: Does not promote tooth decay like regular sugar.

Deep Dive

Isomaltulose is chemically similar to sucrose (table sugar) but with a different molecular bond. This structural difference slows down digestion in the small intestine. Instead of flooding your bloodstream with glucose instantly, it releases energy gradually. This is crucial for endurance sports (like cycling or running) where you need fuel that won't upset your stomach. For those managing weight or type 2 diabetes, it offers the sweetness and energy of sugar with a fraction of the metabolic stress.

Natural Food Sources

While naturally occurring, it is found in low concentrations. Most commercial isomaltulose is enzymatically rearranged from sucrose (beet sugar).

Food SourceAmount (Approx)Notes
Honey1–5% of weightVaries by floral source
Sugarcane JuiceTrace amountsNaturally present
FruitsNegligibleTechnically present but in micro amounts

Supplementation

  • Typical Dosage: 5g to 30g per serving (1–2 tablespoons).
  • Usage: Ideal pre-workout (30 mins prior) or as a sugar substitute in baking/coffee.
  • Who Should Use It: Athletes, diabetics, or anyone needing 'clean' energy.

Top Food Sources

Honey
Natural source, approx 5% concentration
Sugarcane
Naturally present in raw juice
Isomaltulose Powder
Supplement form, 100% concentration
Sports Gels
Often used as primary carb source
Sugar-Free Candies
Used as bulk sweetener

Frequently Asked Questions

Yes. While it is processed industrially, it is derived from 100% plant sources (usually sugar beets) and is chemically identical to the carbohydrate found naturally in honey and sugarcane.
Likely, yes. Although it has a low glycemic index, it is still a digestible carbohydrate (4kcal/g). Strict 'dirty keto' allows it in small amounts, but 'clean keto' usually avoids it.
Unlike sugar alcohols (erythritol/xylitol), it does not cause osmotic diarrhea. However, if you consume very large amounts (50g+), the fermentation in the gut may cause some bloating.
Yes, it is safe. However, it is an energy source, so it should be used to replace sugar, not added as an extra supplement, to avoid excess calorie intake.

Safety & Side Effects

Safety Profile

Isomaltulose is generally recognized as safe (GRAS) and is approved for use in foods and supplements globally.

Side Effects: Because it digests slowly, consuming massive amounts on an empty stomach may cause temporary gas or bloating as it reaches the large intestine. This is rare with normal serving sizes (e.g., 1–2 tablespoons).

Interactions: None known. It is non-cariogenic (doesn't cause cavities) and safe for teeth.

Who Should Avoid: No specific contraindications, but because it is a carbohydrate, it must be counted in daily carb totals for strict ketogenic diets.

Scientific References

  • [1]LIFE - European Journal of Nutrition (2007): 'Physiological effects of isomaltulose in man'
  • [2]International Journal of Sport Nutrition (2004): 'Metabolic response to isomaltulose vs. maltodextrin'
  • [3]British Journal of Nutrition (2001): 'Glycemic index and insulin response'