Food & Drink

Sodium (or Potassium) Citrate in Club Soda

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  • May 9th, 2012 8:26 pm
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Sodium (or Potassium) Citrate in Club Soda

What's the purpose of sodium (or potassium) citrate in club soda?

I've recently made the switch from sugared and diet soft drinks over to club soda. I'm about 75% successful, but I just can't give up the fizz - and club soda is a lot cheaper than say Perrier.

Since I always focused on the calorie count, it never occurred to me that sodium might be an issue, until I noticed that PC sells a low-sodium version.

Neither Coke nor Pepsi contain sodium (or potassium) citrate.

For comparison (all given in mg of sodium per 250mL of drink):
  • PC Club Soda (regular) - 60mg
  • PC Club Soda (low sodium) - 20mg (which is odd, because the ingredients list has potassium citrate but not sodium citrate)
  • Canada Dry Club Soda - 90mg
  • Coke - 28mg
  • Pepsi - 10mg
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ronin1701 wrote:
Apr 28th, 2012 5:42 pm
What's the purpose of sodium (or potassium) citrate in club soda?

I've recently made the switch from sugared and diet soft drinks over to club soda. I'm about 75% successful, but I just can't give up the fizz - and club soda is a lot cheaper than say Perrier.

Since I always focused on the calorie count, it never occurred to me that sodium might be an issue, until I noticed that PC sells a low-sodium version.

Neither Coke nor Pepsi contain sodium (or potassium) citrate.

For comparison (all given in mg of sodium per 250mL of drink):
  • PC Club Soda (regular) - 60mg
  • PC Club Soda (low sodium) - 20mg (which is odd, because the ingredients list has potassium citrate but not sodium citrate)
  • Canada Dry Club Soda - 90mg
  • Coke - 28mg
  • Pepsi - 10mg

It's nothing to worry about and may even be good for you. It basically regulates the acid that would otherwise be found in a carbonated beverage. Adding CO2 to water in this case, renders carbonic acid, and the potassium citrate is added to regulate it.

This being an alternative for you to standard sugary drinks is a BIG step in the right direction. Good on ya!
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So, live with it. It is way below the recommended daaily amount from Health Canada,
And besides, the major studies implicating sodium and heart disease have been discredited, because the researchers had to re-work the data.
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jayt90 wrote:
Apr 28th, 2012 6:16 pm
So, live with it. It is way below the recommended daaily amount from Health Canada,
And besides, the major studies implicating sodium and heart disease have been discredited, because the researchers had to re-work the data.
Uh, OK ........

I was just asking because I'm curious, and because I drink a lot of it (probably the equivalent of 4-5 cans a day).

I already don't salt my food.

Health Canada recommends a maximum of 2,300mg a day. So if I drink the "full sodium" version I'm already at 1/8 of my daily intake.
Iv ta'be' Hev SoH, ghobe' Qoy lIj mu'mey, as SoH jaH pa' vo' vetlh tuq joq vetlh veng, shake lItha' the dust vo' lIj qamDu' (translation from the original Klingon: And whosoever shall not receive you, nor hear your words, when ye depart out of that house or city, shake off the dust of your feet)
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Sibica wrote:
Apr 28th, 2012 6:15 pm
It's nothing to worry about and may even be good for you. It basically regulates the acid that would otherwise be found in a carbonated beverage. Adding CO2 to water in this case, renders carbonic acid, and the potassium citrate is added to regulate it.
Ah, so it's a buffer (high school chemistry slowly filtering back ....)
Sibica wrote:
Apr 28th, 2012 6:15 pm
This being an alternative for you to standard sugary drinks is a BIG step in the right direction. Good on ya!
Thanks for the encouragement! I had switched to Diet soda for years, but then I decided that I didn't necessarily want the artificial sweeteners as well. So I went back to sugared drinks, until I realized that Canada had mostly switched to HFCS as well.
Iv ta'be' Hev SoH, ghobe' Qoy lIj mu'mey, as SoH jaH pa' vo' vetlh tuq joq vetlh veng, shake lItha' the dust vo' lIj qamDu' (translation from the original Klingon: And whosoever shall not receive you, nor hear your words, when ye depart out of that house or city, shake off the dust of your feet)
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Isn't there a difference between Carbonated water and Seltzer?

I believe Perrier carries CO2 only, where Club Soda carries sodium.
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ronin1701 wrote:
Apr 28th, 2012 5:42 pm
  • PC Club Soda (low sodium) - 20mg (which is odd, because the ingredients list has potassium citrate but not sodium citrate)

Coming at this tread a bit late but I just noticed this exact issue and it was bothering me too: Since there is 20mg of sodium on the nutrition label why the heck aren't they required to list sodium citrate, sodium bicarbonate, disodium phosphate, or sodium chloride, or whatever the heck that sodium is coming from on the the ingredients??! It just says carbonated water and potassium citrate.
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ur_funneh wrote:
Apr 28th, 2012 6:41 pm
Isn't there a difference between Carbonated water and Seltzer?

I believe Perrier carries CO2 only, where Club Soda carries sodium.

selzer is just the water and CO2. it would be acidic without the K as a buffer. i think soda water would be better. the sodium is nothing to worry about IMO.
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