Clif Shot Bloks Fastpak

Priced: $2.30 Rated:   - 5 stars out of 5 by 30 reviews.
Clif Shot Bloks Fastpak
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Color: Orange W / Caffeine
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Clif Shot Bloks Fastpak -

Add variety to your performance food regimen with the great-tasting Clif Shot Bloks Fastpak. A great complement to gels and bars, Bloks help you keep up your energy and intensity.

Specifications based on a range of flavors. Nutrition facts here & on wrapper may differ. Info on wrapper reflects actual contents.
Ingredients: organic tapioca syrup, organic dried cane juice, organic maltodextrin, pectin, citric acid, natural flavor, potassium citrate, sea salt, organic sunflower oil, carnauba wax. Some flavors may contain caffeine Allergy information: tree nut.

Made in USA.


  • Bloks are certified USDA Organic with 100% natural sourced ingredients for clean burning energy that won't weigh you down


  • No artificial colors, flavors, sweeteners or preservatives
  • Margarita flavor includes 3 times the sodium of other flavors
  • Easy-to-chew Bloks provide 100 calories per 3 Bloks, making it easy to track caloric intake during longer activity
  • Linear Fastpak packaging is much more compact than the original packaging and makes the Bloks easy to dispense by simply squeezing one end of the package
  • Chocolate Cherry and Black Cherry flavors contain 50mg of caffeine per serving; Orange flavor contains 25mg of caffeine per serving
  • Package of six 10g Bloks provide essential electrolytes and carbohydrates to replenish muscle energy and efficiency
  • Discount will be applied when you check out. Offer not valid for sale-price items ending in $._3 or $._9
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Review RatingNumber of Reviews
Best consumed:During activity
Calories from fat:0
Calories per serving:100
Carbohydrates:24 grams
Cholesterol:0 milligrams
Dietary fiber:0 grams
Gluten free:No
Potassium:20 milligrams
Saturated fat:0 grams
Serving size:3 pieces
Servings per container:2
Sodium:70 - 210 milligrams
Sugars:12 grams
Total fat:0 grams
Trans fat:0 grams
Weight:2.1 ounces

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Clif Shot Bloks Fastpak Reviews:

Positive Reviews:

saved me multiple times

these shot blocks are perfect to keep in your pack when your on the verge of needing a little boost. My boyfriend packed these on a hike in zion last summer and it was the first 100 degree day I had been in all summer. I was super dehydrated and felt like I was about to puke. I was drinking tons of water but nothing helped. He forced me to eat this weird gummy shot block (Im not into power bars or any thing like these) so I refused but he kept nagging. I felt the effects immediately and now I store a box of these orange ones with caffeine at my house. Im not sure which ones have caffeine and which ones dont but I do believe that really helped.
liz kuz at REI on 06/06/2011

Good alternative to gels

I am sick of gels by now and really skeptical to try any of the funky running foods that keep showing on the market. Bought these as they were on sale at REI. I found them very useful on a long race yesterday.
They are easy to eat, taste good and the chewy part make them feel more "food" than gels.
Easy to open and eat with one hand, on the go and easy to store after opening without the chance of making a mess.
Also, makes it easier to eat less calories more often compared to gels (once open, you have to swallow it all).
Downside is they have relatively low Na and K content so I carried electrolyte tablets.
Cip at REI on 07/07/2010

Hurrah for Bloks!

I used to think electrolytes were one of those things that only super-athletes worried about, like VO2-Max or TRIMP scores. Then I started getting headaches and nausea during my long runs as the runs got longer and the temperature began to rise. Although a salt packet might be cheaper, these blocks taste a heck of a lot better, and they do a pretty good job of keeping away the headaches and nausea that come with low electrolyte levels. The packaging makes it pretty easy to eat too--don't have to worry about sticky goo getting all over the place. I haven't tried many flavors, but the cranberry is pretty good. Just remember to chase them with plenty of H20.
greenSD at REI on 05/05/2010

A real boost on long backpacking trips

I take a lot of long backpacking trips. I drink a lot of water on the trail and I need something for electrolyte replacement. I have tried all of the gooey gel stuff and it doesn't really work for me.

Shot Blocks really work. I pop a few of these in the afternoon when I am beat and I can feel the after burners kicking in.

I like the new packaging. It is very clean and easy to get the number of blocks that you want.
bknight at REI on 05/05/2009

Great for long runs

I've been looking for replacements to the usual sugary energy gels. I prefer something salty when I'm out using up a lot of energy, so the Margarita flavor fit my needs. I hear that you either hate it or love it, and you really need to like salt to like the Margarita. It was a strange combination at first, lime/lemony with a salty taste, but I ended up really liking it and it helped me get through my long run. The texture is like eating a box of Dots.
Ventura at REI on 04/04/2009

Better than Gu

Used these on a 13-mile trail run last weekend, ate two packs in 2hrs and 23 minutes.

Why they're better:
-Tube pack makes it easy to squeeze one out on the run
-No edges of a gel packet to cut your lips/cheeks
-No sticky gel residue on hands or in pockets
-Easy to ration out food for a more consistent intake, no spikes
-Easy to chew, taste better than gel
-Fit easily in the pocket of a handheld if the pack is cut/broken in half
Nate at REI on 09/09/2012

Shot Bloks

I've been using Shot bloks for several years and they are great. I'm an avid cyclist both MTB and Road. I keep these in my pocket for every ride and take them about 30 minutes into a ride to keep my energy level high and to complete the ride on a high level. I've also done several 100 mile rides and these come in very handy. They provide a quick source of sugar and electrolytes.
msoccer234 at REI on 01/01/2014

Strawberry are great

These are a great electrolyte replacement while going UL backcountry. When I start getting tired from going fast, I eat 3 of these and drink out of the backpack reservoir while I keep on going. Good source of quick calories, sodium, and potassium.
Also like to use them while skiing all day in the backcountry.
I think the strawberry tastes great and goes down easy, no unpleasant aftertaste for me.
Eastcoasthumidity at REI on 07/07/2010

Tasty and Effective!

Shot Bloks are great at providing extra energy during exercise. They often go down easier than an energy bar, provide a quick boost, and taste great. I generally use them in 2 blok or 3 blok increments starting 15 minutes prior to working out, and then every 1-3 hours depending on the workout type (running vs. hiking). The new packaging works well, although the old pouch wasn't really bad either.
GJP at REI on 02/02/2009

Great alternative to gels.

I have tried several energy gels on the market and just couldn't get past the taste and consistency, which often made me feel like I was eating cough syrup. I love these bloks, which taste good and are so easy to clean up afterwards, no gooey mess left behind like gels. My favorite flavor so far is lemon-lime, but I am going to try others as well.
chinapaige at REI on 01/01/2012

Negative Reviews:

Margarita Flavor is horrible

I tried one of these the other day in the Margareta Flavor, and it was absolute atrocious. Had one block and ended up sitting that out. I can't yet speak on the other flavors but avoid the Margarita unless you are able to brush afterwords. Just nasty.
Chuck in Santa Fe at REI on 08/08/2011