What's in it
What's actually in Precision Fuel & Hydration's gels?
Precision Fuel & Hydration shows up a lot in endurance feeds, and the labels can look unusual if you are used to other brands. Two things stand out: a single 90 g gel, and zero sodium in the gels. Both are on purpose.
On the label
Straight from the published labels, checked June 2026. Verify on the current label, brands reformulate.
Precision Fuel & Hydration PF 30 Gel
gel51 g gel
Precision Fuel & Hydration PF 90 Gel
gel153 g gel
The zero sodium is the design, not an oversight
Precision's whole model treats fuel and hydration as two separate problems. The gels handle carbs only. Sodium comes from their electrolyte drinks or capsules, dosed to your own sweat rate. So the 0 mg isn't a miss, it is the philosophy: you add the sodium yourself.
A published 2:1 ratio, best below 90 g/h
Both gels are glucose plus fructose at a published 2:1 ratio. That uses two gut transporters, so you absorb more than glucose alone (which caps near 60 g/h, Jeukendrup). A 2:1 mix sits comfortably in the 60 to 90 g/h band (Hearris et al. 2022). Above about 90 g/h the research points to a flatter ratio nearer 1:0.8, so at very high rates the 2:1 runs slightly glucose-heavy.
The 90 g single gel
The PF 90 packs a full hour of carbs into one sachet, which is genuinely convenient on long days when you don't want to fumble four wrappers. Whether 90 g in one go sits well is about your gut, not the sachet. Carb tolerance is trainable, so build up to it first (gut training).
Make your own Precision Fuel & Hydration
The PF gels are among the easiest to replicate, for two reasons. First, the carbohydrate is just glucose plus fructose at 2:1, no proprietary chemistry to chase. Second, the sodium is separate anyway, which is exactly how carbsperhour already works: you set a sodium target and take it alongside, dosed to your own sweat. So matching Precision's split model is the default here, not a workaround. Nudge the ratio toward 1:0.8 if you are fueling above 90 g/h.
Frequently asked
Why do Precision's gels have no electrolytes?
By design. Precision treats fuel and hydration as separate problems. The gels are carbs only; you add sodium through their drinks or capsules, matched to your sweat rate.
What is Precision's glucose:fructose ratio?
Both the PF 30 and PF 90 publish a 2:1 glucose:fructose ratio. That suits 60 to 90 g/h well. Above 90 g/h, about 1:0.8 is the better target (Hearris 2022).
Is a single 90 g gel too much?
Not inherently. 90 g/h is achievable, but tolerance is trainable. If your gut isn't used to it, build up gradually before relying on one large gel.
Can you make your own PF 30?
Yes. It is glucose plus fructose at 2:1, with sodium taken separately. That is a straightforward mix in the calculator.
Figures checked June 2026 against each brand's published label; always verify on the current label, as manufacturers reformulate. This is an independent, informational breakdown. carbsperhour is not affiliated with, endorsed by, or sponsored by Precision Fuel & Hydration or any brand named here, and nothing on this page is medical or nutritional advice. Precision Fuel & Hydration and other product names are the trademarks of their respective owners.