Clif Peanut Butter Nut Butter Protein Bar
peanut butter
Texture: Bar · Flavor family: Savory · read from the label
How this product rates on the fueling evidence.
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Clif Clif Peanut Butter Nut Butter Protein Bar is a bar with 24 g of carbohydrate, 160 mg of sodium and no caffeine per serving. It scores 40/100 on the CarbRate Science Score. At 60 g of carbs per hour that is 2.5 servings an hour.
Who Clif Peanut Butter Nut Butter Protein Bar suits
Runners fueling below about 60 g per hour. Without a fructose source, absorption tops out near 60 g/hr, so stacking servings past that point tends to cause gut trouble rather than more energy.
Runners who want to keep caffeine separate, or race caffeine-free. Caffeine-free fuel is easier to repeat every 20 to 30 minutes without stacking a stimulant.
Long steady efforts more than hard racing. Protein slows gastric emptying, and this one carries 7 g per serving.
Runners with dietary limits: it is vegan according to the manufacturer.
How to use it in a race
Start early. Take the first serving 15 to 20 minutes into the race, before you feel you need it, and repeat on a fixed clock. At 60 g/hr that is 2.5 servings per hour; at 90 g/hr it is 4.
Bar texture. Take it with two or three mouthfuls of water so the carbohydrate is diluted enough to leave the stomach quickly.
Practice it on long runs at race intensity before you race on it. Gut tolerance is trained; a fuel that felt fine at easy pace can behave differently at marathon effort.
Cost at 60 g/hr works out to about $9.05 per hour at list price, or roughly $32 for a three-and-a-half hour marathon.
Servings per hour assume the 24 g per serving on the label. The finder sets your own g/hr target from race distance, sweat and gut.
Why it scores what it does
Computed from verified label data with the same evidence rules for every product. Retailer relationships play no part in the score.
Carbohydrate sources not published — scored conservatively.
24 g carbs per serving — light for a bar (you'll need more units per hour).
Protein-heavy relative to carbs — better as a recovery or long-slow-day product than race fuel.
If this one works, try these next
Closest fueling profiles in the database (same format, carb sources, glucose:fructose and caffeine), with the one thing each does differently. Test two, not twenty.
How it went for runners like you
No reports yet. If you have raced or trained on this one, thirty seconds from you is the first data point for the next runner with your gut and your conditions.
Clif Peanut Butter Nut Butter Protein Bar FAQ
Is Clif Clif Peanut Butter Nut Butter Protein Bar good for a marathon?
It works for a marathon at moderate intake. It uses a single carbohydrate pathway, so keep it near 60 g per hour or pair it with a fructose-containing product if you fuel higher. Practice it on at least two long runs first.
How many Clif Peanut Butter Nut Butter Protein Bar should I take per hour?
2.5 servings per hour gets you 60 g of carbohydrate; 4 gets you 90 g. Each serving is 24 g. Space them evenly rather than front-loading.
Does Clif Clif Peanut Butter Nut Butter Protein Bar have caffeine?
No. It is caffeine-free, so you can take it every serving without stacking caffeine.
How much sodium is in Clif Clif Peanut Butter Nut Butter Protein Bar?
160 mg per serving, which is moderate for a bar. Most runners will still want extra sodium in hot conditions.
Is Clif Clif Peanut Butter Nut Butter Protein Bar vegan and gluten-free?
Vegan: yes. Gluten-free: not listed by the manufacturer. Both come from the manufacturer's published data.
Why does Clif Clif Peanut Butter Nut Butter Protein Bar score 40/100?
Carbohydrate quality: 15/45. Carbohydrate sources not published, scored conservatively. Carbohydrate dose: 16/20. 24 g carbs per serving, light for a bar (you'll need more units per hour). Race-appropriate (protein-light): 3/20. Protein-heavy relative to carbs, better as a recovery or long-slow-day product than race fuel.
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