PH 500
PH 500 is a moderate strength electrolyte drink designed to help you stay hydrated when you're sweating. Dissolve 1 tablet in 500ml of water.
Dietary info
Strength
Quantity (15 tablets per tube)
£8.99
(350)
In stock at our warehouse, available for delivery
Shipping
🕒 Orders placed before 3pm GMT Mon-Fri despatched same day, exc. bank hols
Stay Hydrated
Our low-calorie electrolyte tablets come in different strengths to match how YOU sweat. PH 500 is a moderate strength electrolyte drink typically used by athletes with low to moderate sweat/sodium losses.
Low in calories, ideal for fasted-training and LCHF lifestyle
Independently batch tested for a wide range of prohibited substances on the World Anti-Doping Agency (WADA) list
Vegan
Weight / space efficient tubes
Dissolve in 500ml of water
Hypotonic formula enhances the absorption of water during exercise
Key Features
Directions
Nutritional Information
Ingredients
Dietary Information
FAQ
"Precision Fuel & Hydration have been a secret weapon for me over the last 6 years"
Emma Pallant-Browne
Multiple IRONMAN® 70.3® Champion
"Most athletes drastically underestimate their carbohydrate, fluid and sodium requirements for training and racing, but with the help of Precision Fuel & Hydration I've been able to dial in my personal needs to perform at my best."
Jeanni Metzler
2nd at 2021 IRONMAN® 70.3® World Champs
"Working with Precision Fuel & Hydration has ensured I perform at my very best. They've helped me develop a fueling and hydration strategy that works for me."
Leon Chevalier
IRONMAN® Mallorca champion
"Precision Fuel & Hydration have helped me perform at my best through their education and product range."
Fenella Langridge
2024 IRONMAN® Western Australia Champ
"Discovering Precision Fuel & Hydration has been a game changer for me. It's solved all of my race hydration needs and has saved me from meltdown a number of times."
Sarah Crowley
3rd at 2019 IRONMAN® World Champs
"Precision Fuel & Hydration's advice and products have been unbelieveably helpful in my successful move up the distances."
Sam Appleton
16x IRONMAN® 70.3® Champion
Reviews
Write a review350 reviews
PENNY RUNNER
13/1/2026
Hydration and chews review
Great products - chews are not too sweet like many other products. Electrolytes drinks really improving my recovery
JORGÉ DE BOT TRIATHLETE
8/1/2026
Salt tabs
Great salts to replenish me!
CHLOE WILLIAMS RUNNER
29/12/2025
Great products
I was introduced to PH by a friend and haven’t used anything else since! The flow gel is great for long runs and makes it much easier to meet my carb requirements. I also really like the chews. They have a great taste and are much easier to eat compared to other brands. Service from the company is also brilliant!
SUSIE RUNNER
12/12/2025
Great taste, good selection
My number one race fuel so far, good selection, easy to order and quick delivery
JACK R (17YRS) MOUNTAIN BIKER
11/12/2025
New to the world of sports fuel & hydration for MTB Racing
Shopping is very easy, products are well packaged and most importantly they do exactly as claimed. We noticed a performance benefit during MTB Enduro Championship Events.
PETE OLIVER CYCLIST
9/12/2025
Best anti-cramp tablets ever!
I was struggling with cramp so tried these, couldn't believe how good they are they sorted the cramp out in an instance!
KIRK EICHENBERG RUNNER
8/12/2025
Gels/Salt/Powder are all awesome!
The products are awesome. Very easy on my stomach and easy to consume on hard effort runs. I also appreciate the hand written notes. Please keep that up. I think that’s awesome you take the time to write something. That’s really cool.
ANNA JONES CYCLIST
8/12/2025
Excellent service
Excellent and efficient service , would highly recommend
JOHN C ATHLETE
1/12/2025
Great product
We have bought the Precision Hydration tablets for the past 5 years. We use them for our water bottles when going to the gym. We also use them when we are on hot climates such as Africa and the Far East. They help maintain our electrolyte levels. A great product which we will continue to buy.
LENNERT BRAL TRIATHLETE
28/11/2025
Global opinion about PFAH
Precision Fuel & Hydration delivers exactly what endurance athletes need: clear, easy-to-digest fueling and customizable hydration options. I really appreciate the transparency in their carb and electrolyte labeling, and the products are gentle on the stomach even during long sessions. The mild flavors work well when you’re training for hours, and the variety of gels, chews, and drink mixes makes it easy to tailor your plan. Overall, a reliable, well-designed system for anyone serious about perf...