1 / 7Optimum Nutrition Gold Standard BCAA Train + Sustain, 266 g
Optimum Nutrition Gold Standard BCAA Train + Sustain is a flavoured powdered workout supplement listed in a 266 g tub. The listing describes 5 g of BCAAs per serving, plus electrolytes, L-leucine, Rhodiola, vitamin C and zinc. It is prepared with cold water, though the listed serving directions and other product details should be checked for consistency.
At a glance
- The listing states 5 g of BCAAs in a 2:1:1 ratio per serving, alongside 2.6 g of L-leucine.
- A serving is described as providing 374 mg of electrolytes and 200 mg of Rhodiola.
- The powder is described as Raspberry & Pomegranate flavoured and mixed with cold water.
- Vitamin C and zinc are listed, with immune-system support claims attributed to those nutrients.
Reference price: £32.00
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Powder format lets buyers mix a serving with water rather than take a tablet or capsule.
- The stated serving includes BCAAs, electrolytes and additional ingredients such as L-leucine and Rhodiola.
- The tub is listed as containing 28 servings.
Technical specifications
20 specifications| Brand | Optimum Nutrition |
|---|---|
| Model | Optimum Nutrition ON GS BCAA |
| Model number | 1102167 |
| Country of origin | United Kingdom |
| Item form | Powder |
|---|---|
| Container type | Tub |
| Total servings per container | 28 |
| Flavour | Raspberry & Pomegranate |
| Diet type | Vegetarian |
| Special ingredient | soybeans |
| Allergen information | Contains: Soy |
| Recommended use | For muscle support |
| Age range | Adult |
| BCAAs | 5 g of BCAAs in a 2:1:1 ratio |
|---|---|
| Electrolytes | 374 mg |
| L-Leucine | 2.6 g |
| Rhodiola | 200 mg |
| Preparation | Mix 2 rounded scoops (9.5 g) with 350 ml of cold water. Recommended consumption of 1 serving per day. Do not remove dessicant from package. |
| Dimensions listed | 15.6 x 15.6 x 24.8 centimetres |
|---|---|
| Weight listed | 0.27 Kilograms |
What to know before buying
Listing details to confirm
The listing is inconsistent about product type, identifying the primary supplement as Vitamin B1 despite presenting it as BCAA powder. Its directions specify 9.5 g per serving while 266 g divided across 28 servings does not match that amount. The listing also gives mixed descriptions of the serving scoop quantity. Check the current tub label and selected listing details before use.
Who is it for?
A good fit for
- People who want a flavoured powdered BCAA drink for training and are comfortable checking serving details against the tub label.
- Vegetarians seeking a supplement listed as vegetarian, while noting the declared soy allergen.
Less suited to
- Anyone avoiding soy, since the listing declares that it contains soy.
- Buyers who need an unambiguous serving size or a clearly identified primary supplement type without checking the package label.
Customer reviews on Amazon
- 5 stars
76% 76% - 4 stars
13% 13% - 3 stars
5% 5% - 2 stars
2% 2% - 1 star
4% 4%
Customer feedback describes pleasant taste, workout energy, mixability and perceived effectiveness for recovery or gym performance. Opinions are mixed on value, drinkability and side effects, including reports of stomach cramps. These are customer perceptions, not proof of an effect. For buyers considering the specified BCAA and electrolyte powder, taste and ease of mixing may matter, while the serving-detail inconsistencies make checking the tub especially relevant.
Positive themes
- Customers describe the taste as pleasant and not overly sweet or artificial.
- Feedback mentions good mixability and perceived workout energy or recovery support.
Mixed feedback
- Opinions differ on value for money and drinkability.
- Side-effect reports are mixed, including some customers reporting stomach cramps.
Frequently asked questions
How do you prepare a serving?
The directions say to mix 2 rounded scoops (9.5 g) with 350 ml of cold water and recommend one serving per day. The listing also describes the scoop quantity inconsistently, so check the tub directions.
How many servings are listed?
The product details state 28 servings per container. The listed total weight and serving directions do not align clearly, so confirm the serving information on the current packaging.
Does this contain soy?
Yes. The listing names soybeans as a special ingredient and states, “Contains: Soy”.
What does the listing say is in each serving?
It states 5 g of BCAAs in a 2:1:1 ratio, 374 mg of electrolytes, 2.6 g of L-leucine and 200 mg of Rhodiola. Check the product label for the current formulation.
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