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Electrolytes

Supplement electrolyte blend fitnessenergy
Aka: sodium, hydration salts, LMNT, Nuun
Brands seen in Singapore: California Gold Nutrition, Nuun, Ultima Replenisher, Trace, k2o by Sprinter
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
Sweat losses in sessions over an hour, or in the heat
When to take
Around endurance sessions over an hour, or in hot weather
Take with
Water · ODS pairs fluid and electrolytes with extra carbs
Pros & cons
Pros
  • ODS: long or hot sessions may need electrolytes
  • HSA permits an electrolyte-balance claim for magnesium
  • Labels map to FDA daily values: sodium 2,300 mg
Cons
  • SG intake already averages 3,620 mg sodium a day
  • HSA caps supplement magnesium at 350 mg a day
  • Need varies by duration, intensity and conditions
Sources
  1. NIH ODS — Dietary Supplements for Exercise and Athletic Performance (Health Professional); ods.od.nih.gov returned Cloudflare 403 to a direct fetch, so the 1 Aug 2026 archive.org capture was read · read 2026-08-27
    what it says
    “Athletes engaging in endurance activities lasting more than an hour or performed in extreme environments (e.g., hot temperatures or high altitudes) might need to replace lost fluids and electrolytes and consume additional carbohydrates for energy”
  2. NIH ODS — Dietary Supplements for Exercise and Athletic Performance (Health Professional), same paragraph: results vary by conditions (archive.org capture, 1 Aug 2026) · read 2026-08-27
    what it says
    “the results of taking any dietary supplement(s) for exercise and athletic performance vary by level of training; the nature, intensity, and duration of the activity; and the environmental conditions”
  3. HealthHub / Health Promotion Board Singapore — Nutrition Hub: Reduce Your Salt And Sugar Intake · read 2026-08-27
    what it says
    “We consume almost twice the recommended daily sodium limit of 2,000 mg, averaging around 3,620 mg a day.”
  4. US FDA — Daily Value on the Nutrition and Supplement Facts Labels (adults and children 4+ years) · read 2026-08-27
    what it says
    “Reference Guide: Daily Values for Nutrients … Sodium 2300 mg … Potassium 4700 mg … Chloride 2300 mg … Magnesium 420 mg”
  5. HSA Singapore — Health Supplements Guidelines GL-CHPB-3-001 Rev. No. 020 (January 2026), clause 4.8 + Table 5 Minerals Limits · read 2026-08-27
    what it says
    “4.8 HS for use by the general adult population should not contain vitamins and minerals exceeding the stipulated limits stated in Tables 4 and 5 … Table 5: Minerals Limits … Magnesium 350 mg”
  6. HSA Singapore — Health Supplements Guidelines GL-CHPB-3-001 Rev. No. 020 (January 2026), List of Health Claims, item 55 · read 2026-08-27
    what it says
    “55. Maintain/support body electrolyte balance • Magnesium • Vitamin B1, B5”
  7. HSA Singapore — Guidelines on Prohibited and Restricted Ingredients in Health Supplements and Traditional Medicines, GL-CHPB-1-012 Rev. No. 001 (October 2025), clause 1.3 + Annexes A and B · read 2026-08-27
    what it says
    “The objective of this guideline is to highlight the substances of concern when used in HS and TM and is not meant to be an exhaustive list [sodium, potassium, chloride and magnesium salts not listed in Annex A or B]”
  8. iHerb Singapore — Electrolytes & Hydration category, default order (1 - 48 of 546 results) · read 2026-08-27
    what it says
    “California Gold Nutrition, HydrationUP® Electrolyte Drink Mix … Nuun, Sport Hydration, Effervescent Electrolyte Drink Tablets … Ultima Replenisher, 6 Essential Electrolytes … Trace, 40,000 Volts, Electrolyte Concentrate … k2o by Sprinter, Advanced Skin Hydration Mix”
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Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.