text.skipToContent text.skipToNavigation
Free gift on orders above £40
International deliveries over +30 countries worldwide
Free standard delivery on all orders (limited time)

Gold Standard Train + Sustain

Optimum Nutrition
  • Comprehensive BCAA powder
  • 5g of BCAAs per serving
  • 250mg of Wellmune® per serve
From £25.99

Product Overview

Premium training drink with key amino acids

Drink this premium powder during training to help maximise your results. Gold Standard Train + Sustain is a comprehensive branched chain amino acid powder (BCAA) with added Wellmune®, rhodiola rosea, vitamin C and magnesium. The BCAAs – leucine, isoleucine and valine - are three essential amino acids popular in sports nutrition.

The building blocks of protein

Vitamin C also helps to maintain immune health and reduce tiredness and fatigue, while magnesium supports muscle function. Gold Standard Train + Sustain has 5g of BCAAs and 250mg of Wellmune® per serving. Available in 5 great-tasting flavours, this lightly refreshing drink will help you to train and sustain!


  • Comprehensive BCAA powder
  • 5g of BCAAs per serving
  • 250mg of Wellmune® per serve
  • Added vitamin C to maintain immune health and reduce tiredness and fatigue
  • Added magnesium to help maintain normal muscle function
  • Available in 5 great tasting flavours
  • Available in 266g tub equivalent to 28 serves
  • Informed Choice certified

Suggested Use

Mix two scoops (9.5g) with 350ml of cold water. Drink during your training session to help you sustain your efforts.

Nutritional Information

Nutritional information will be shown when a flavour and/or size is selected.

Customer Reviews

Overall Rating (4.7)
Write your review here. For complaints and questions we would like to refer you to our customer service.
Please enter a headline
Please enter a comment
Please enter a rating

helps to stimulate & recover your muscles

Review by Yaroslav on Mar 4, 2021
i took the cola taste, i highly suggest to use BCAA during your workout or after it(especially if your muscles are in pain from time to time or if you pushing yourself way too hard), the cola taste also have some kind of a lime in it, so it tastes like cola with lime, i personally think that a single serving per 300ml is way too concentrated, so i suggest to use 350~400ml instead for the most pleasant taste


Review by Anonymous on Oct 5, 2021
Bon goût, et bon résultats
Translate review into English

Parfait avec ma whey

Review by Lili on Sep 12, 2021
Je le prend après mon entrainement mélangé à ma Whey : impec !
Translate review into English


Review by Tim on Jul 4, 2021
Top product
Translate review into English

Wel oke

Review by Evelyne on Jul 1, 2021
Ik vind ze alleen met heel koud water goed te drinken, anders al snel moeite het weg te krijgen. Ik heb de smaken Raspberry & Pomegranate en Peach Passion Fruit geprobeerd en vind die laatste een stuk lekkerder, deze is voor herhaling vatbaar, de Raspberry zal ik niet opnieuw kopen en met moeite opmaken
Translate review into English

Sehr empfehlenswert

Review by Brian on Jan 5, 2021
Ich hab mir das Produkt in der der Geschmacksrichtung Himbeere & Granatapfel bestellt, es schmeckt mir sehr gut und versorgt mich während des Trainings mit den nötigen Aminosäuren.
Translate review into English

Top spul

Review by Anonymous on Sep 26, 2020
Werkt aanzienlijk, top
Translate review into English

Super und schmeckt gut

Review by Anonymous on Sep 18, 2020
Schnelle Lieferung
Translate review into English


Review by Max on Sep 18, 2020
J'utilise les BCAA d'ON depuis un bail et les tarifs ici sont les plus correct, la saveur fraise kiwi est très bonne. Rien à redire, cette marque est très propre.
Translate review into English

BCAA use

Review by Albert Toth on Aug 31, 2020
This product it's intresting to use it for the first time,i think it's not so useful like many people say. If you use whey shake it s maybe already inside there...you find it also in food. I think you have to use pre workout instead of bcaa if you search for a booster....if you are on cutting fat loosing fat maybe it's on option to use a little bit of extra bcaa but maybe from food you can extract enough. Thank you and i wish to al of you out there succes and achive you'r dream.
Translate review into English


Stay up to date with recent news, advice and weekly offers