Precision Fuel & Hydration PH 500 (tablet)

250 mg sodium per 1 tablet (4.5 g in 473 ml). Not graded on job fit — it pairs with any carb source.

single-sourceartificial sweetenersvegangluten-freebatch-tested (nsf)carries sodium
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Sodium coverage

Marathon
3.5 h · target 750 mg sodium/h
ℹ 250 mg sodium per 1 tablet (4.5 g in 473 ml) — covers 33 % of your 750 mg/hℹ 3 g carbs per 1 tablet (4.5 g in 473 ml) · a top-up, not your carb source
70.3
5.5 h · target 750 mg sodium/h
ℹ 250 mg sodium per 1 tablet (4.5 g in 473 ml) — covers 33 % of your 750 mg/hℹ 3 g carbs per 1 tablet (4.5 g in 473 ml) · a top-up, not your carb source
IRONMAN
12 h · target 750 mg sodium/h
ℹ 250 mg sodium per 1 tablet (4.5 g in 473 ml) — covers 33 % of your 750 mg/hℹ 3 g carbs per 1 tablet (4.5 g in 473 ml) · a top-up, not your carb source
Century / gran fondo
5 h · target 750 mg sodium/h
ℹ 250 mg sodium per 1 tablet (4.5 g in 473 ml) — covers 33 % of your 750 mg/hℹ 3 g carbs per 1 tablet (4.5 g in 473 ml) · a top-up, not your carb source
Ultra
10 h · target 750 mg sodium/h
ℹ 250 mg sodium per 1 tablet (4.5 g in 473 ml) — covers 33 % of your 750 mg/hℹ 3 g carbs per 1 tablet (4.5 g in 473 ml) · a top-up, not your carb source

What is in it

Label facts, not a score. Apply your own preferences in the checker.

Format
Electrolyte
Unit
1 tablet (4.5 g in 473 ml)
Carbohydrate
3 g
Carb sources (label order)
dextrose
Glucose:fructose
glucose-type only · ~0 % fructose (inferred)
Sodium
250 mg
Potassium
130 mg
Caffeine
not stated
Protein / fat / fibre
0 g / 0 g / not stated
Sugar alcohols
none listed
Sweeteners
sucralose
Allergens
none listed
Vegan / gluten-free
vegan / gluten-free
Batch-tested
nsf
Tonicity
0.6 % solution as directed

The low-calorie effervescent tablet (US Nutrition Facts, per 1 tablet / 4.5 g in 16 oz): 10 kcal, 3 g carbohydrate (1 g sugars), 250 mg sodium, 130 mg potassium, 20 mg calcium, 10 mg magnesium — 500 mg sodium per 32 oz when mixed as directed. Sweetened with sucralose. NSF Certified for Sport (maker; the Informed Sport badge on the page is the brand's drink-mix listing). Ingredients dextrose monohydrate, citric acid, sodium bicarbonate, potassium bicarbonate, sodium citrate, natural flavours, polyethylene glycol, sodium carbonate, malic acid, calcium carbonate, magnesium carbonate, sucralose. 15 tablets a tube. Read from the label image on the maker's page.

From the manufacturer's page, checked 2026-09-19 · source. Labels change; read the pack. Not medical advice; not affiliated with the brand.

How many Precision Fuel & Hydration PH 500 (tablet) per hour do I need?

Precision Fuel & Hydration PH 500 (tablet) is an electrolyte product, so it is dosed against sodium, not carbs: 250 mg sodium per 1 tablet (4.5 g in 473 ml). Pair it with any carb source.

Is Precision Fuel & Hydration PH 500 (tablet) dual-source (glucose and fructose)?

No — its carbs are glucose-type only (glucose-type only). Fine up to about 60 g/h; above that, pair it with a fructose source.

Does Precision Fuel & Hydration PH 500 (tablet) contain caffeine?

Caffeine is not stated on the source we checked — read the pack.

Other electrolytes