Pure Energy Sports Electrolyte Drink vs Liquid Energy Gel

  • 2 products side by side
  • From each brand's label
The short answer

The Biogen Pure Energy Sports Electrolyte Drink offers electrolytes with a multi-source carbohydrate mix, beneficial for sustained energy during long events. In contrast, Gu Liquid Energy Gel provides a calorie-dense, convenient option for mid-race fuel with a blend of fast-absorbing carbohydrates. Each product caters to specific endurance needs and preferences.

FigurePure Energy Sports Electrolyte DrinkPure Energy Sports Electrolyte DrinkBiogenLiquid Energy GelLiquid Energy GelGu
FormPowderGel
Serving18 g1 packet (approx. 100 calories)
Price per servingR4.26 (best)R43.25
Carbs per R1035.2 g (best)4.6 g
Value score10/10 (best)4.6/10
Energy62.9 kcal100 kcal
Carbs15 g20 g (best)
Sugar8.2 g—
Protein0 g—
Fat0 g—
Sodium200 mg75 mg
CaffeineNoneNone
Carb typeMaltodextrinmixed
Glucose to fructoseN/A - No specifics provided—
Glycaemic index95—
Key differences
  1. Biogen is a powdered drink, while Gu is a gel.
  2. Biogen offers electrolytes; Gu focus is primarily on carbohydrates.
  3. Gu provides a higher calorie intake per serving compared to Biogen.
  4. Biogen is more cost-effective per serving than Gu.
Race day

How each one works, by distance

Head to head

Both options could suffice for a 5k, but Gu Gel's convenience supports a quick energy boost pre-race if needed.

Pure Energy Sports Electrolyte Drink

For a 5k race, this product may not be necessary unless conditions are extremely hot or humid. Consider using it post-race for recovery.

The verdict by situation

Gut risk

Biogen, being a powdered drink, might pose less gut distress compared to Gu if diluted properly, due to lesser osmolality concerns.

Carb ceiling

Biogen delivers a mixed carb source, potentially supporting up to 90g/h, while Gu's simple carbs may limit absorption to around 60g/h.

For beginners

For those new to race fuels, Biogen's drink offers simpler dosing and crucial electrolytes to hydrate and fuel. Ideal for those getting used to supplementing.

For experienced athletes

Experienced athletes might prefer Gu's portable gel for higher-intensity race segments or back-to-back training days, given its compact, calorie-focused design.

Best value

Biogen Electrolyte Drink, at a significantly lower price, provides basic energy and electrolyte replenishment, making it a cost-effective choice for regular training.

Final verdict

Both Biogen and Gu have their strengths, tailored to various endurance activities. Biogen is ideal for hydration and frequent use, while Gu suits athletes needing compact calorie delivery. Choosing between the two depends on specific race conditions and individual tolerance.

Questions about these products

Which product should I choose for a short race?

The Gu Gel is preferable if you need quick energy without relying on hydration, whereas the Biogen Drink supports both.

How can I decide between them for my training?

If price is a concern, Biogen offers long-term value. Choose Gu for intense interval training where fast absorption is key.

Is one better for hydration?

Biogen, with its electrolytes and drink form, is better suited for hydration needs during long races.

Which has more carbs?

Biogen contains 15g per serving, primarily from maltodextrin, and Gu focuses on higher calorie content per packet.

In the app

Picked your fuel? Put it in your plan.

Glyco places it on your race course by time, at the rate your gut can take, and tracks what you actually used.

A race plan with fuel placed on the course, in the Glyco app