Sweat contains about 800 to 1500 mg per liter. For me, about 45 minutes of moderately intense workout had me lose about 3-lbs of water weight. That is about 1-liter. Now, a thing you need consider how much salt you are getting from food. Humans have been perfectly fine eating food with extra salt added. Typically, people would get 500 to 1000 mg of salt just from eating whole foods. Most people eat processed foods, which have more salt. So, we probably are not salt deprived. We are constantly digesting food we eat and taking in that salt. Unless you are fasting, and working out, you probably are slowly getting salt back into your body.  I will say electrolyte powder is probably beneficial for people for intense training or long endurance activities in the perspective of improving fluid retention (helps in recovery) and preventing cramping. I would say, just drinking water is way more important in general. For something like running marathons, absolutely beneficial. For golf, this is a marginal benefit.  In terms of ideal electrolyte ratios, you want to be in the 2:1 to 4:1 sodium to potassium ratio. Though, I have also seen ratios closer to 20:1. This mechanism is vital for nerve impulses, cell volume control, and kidney functions. Potassium is essential for muscle contractions. Magnesium is good for muscles function as well.  Ultima Replenisher: 55mg salt, 250mg potassium, 100mg magnesium.  *Probably good for people who don't eat a lot of whole foods, or foods with a lot salt. Probably one in the same, lol.  LiquidIV: 500mg salt, 370mg potassium, no magnesium.  LMNT: 1000mg salt, 200mg potassium, 60mg magnesium. Skratch: 400mg salt, 50mg potassium, 50mg magnesium.  Transparent Labs: 500mg salt, 250mg potassium, 50mg magnesium. If I had to choose one, I would probably go with Skratch. My diet isn't 100% whole foods, so I get plenty of salt.  Note, if you have kidney issues, I would be wary of adding excessive salt. Salt can be very hard on the kidneys, and you might be negating the benefits of drinking that water. 

I ran the nutrients for Ultima Replenisher  by my friend who is nutritionist. She said it was a decent breakdown. So I bought the berry and lemonade packs at Target. Will give a try on the course today.

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