These are basically Fizzies from the 1960s1970s. Can't say whether or not they help with cramping, since I don't cramp often enough to prove they kept cramps away. They taste okay and give some salts, but I will probably not be buying them again.
Have been using Fizz for over 5 years, and I swear by them. When doing extreme workouts in the heat, I will notice I get dizzy when sitting and then standing, this lets me know I am off on my electrolytes. Pop one in a glass of water and soon everything is back in order. Taste is good.
I've found the Hammer Fizz to taste quite bad in comparison to Nuun. I just had a Lemon-Lime and it tasted terrible.
I cant comment on the nutritional/electrolyte content between Nuun and Hammer Fizz.
I've been using these for years. I take them out on long rides and when it's time to refill my water bottles, I buy vitamin water - there are 2 mango flavors - add a fizz mango and you get all the electrolytes (from the fizz) with some sugar and vitamins from the vitamin water.
This is a very good electrolyte replacement product. Just pop a tablet or two in a water bottle an you are set. The tube fits easily into a jersey pocket. I have had goods results with many of Hammer's products
I am a heavy sweater and need lots of sodium. I put two Fizz in a water bottle and supplement with capsules. Lime Lime and Grape are my two favorite flavors. Had stomach issues with other products - but I do randonneuring, so 12-18 hours on the bike can put stress on digestion.
I ordered this to cut out the carbs from sugar in the average sports drink. The sweetness of powerade or gatorade almost gagged me once it had warmed up. This is not so sweet like that and is palatable while warm.
However keep in mind, you will need to replace those carbs in other ways on longer rides. Wish it came in a caffeinated version!
I tried these as an alternative to Nuun which I really enjoy. I like the simplicity of both brands, but these Hammer Nutrition tablets are seriously lacking in flavor. I wouldn't buy them again.
Last year I was concerned that the only electrolyte replacement available at a local century ride was Gatorade. For me Gatorade has too much sugar and too much salt, it bothers my stomach. As it turned out the Hammer nutrition rep had a booth at the bike expo. She gave me a couple of handfuls of individually wrapped Fizz tablets. These worked great. I avoided cramping and unlike other replacements I have tried they don't taste like sweat and don't need to be chilled to be drinkable. The packaging is convenient too. I prefer LemonLime and Mango to Grapefruit. I think they are a little expensive and you need to be careful the first time you open the bottle because the effervescence can cause the liquid to squirt out. These are the best I have tried.