Optimum Nutrition Gold Standard 100% Whey Protein Powder 465g

Name: Optimum Nutrition Gold Standard 100% Whey Protein Powder 465g
Brand: GymBum UK
Price: 25.0 GBP
Availability: InStock

Engineered with purpose. Worn with confidence

£25.00

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GymBum UK Size Guide

GYMBUM UK®

Size Guide

1️⃣ Women – Sports Bras

Measure Yourself

For accurate sizing, keep the tape measure level and parallel to the ground.

Bust
Measure around the fullest part of your chest.

Underbust
Measure directly under your bust where the bra band sits.

Body Measurements (Inches)

Size	Bust	Underbust
XS	33–34"	27–28"
S	34–36"	28–30"
M	36–38"	30–32"
L	38–40"	32–34"
XL	40–43"	34–36"
2XL	43–46"	36–39"
3XL	46–49"	39–42"

Between sizes?
Size up for a more comfortable fit.
Size down for a more compressive performance fit.

2️⃣ Women – Tops & T-Shirts

Body Measurements (Inches)

UK Size	Bust	Waist
4–6	31–33"	24–26"
8–10	33–36"	26–28"
12–14	36–40"	28–32"
16	40–43"	32–34"
18	43–46"	34–37"

3️⃣ Women – Leggings & Shorts

Body Measurements (Inches)

UK Size	Waist	Hips
4–6	24–26"	34–36"
8–10	26–28"	36–38"
12–14	28–32"	38–42"
16	32–34"	42–44"
18	34–37"	44–46"

4️⃣ Men – Tops & Hoodies

Size	Chest	Waist
S	36–38"	30"
M	38–40"	32–34"
L	42–44"	36"
XL	46–48"	38"
XXL	50–52"	40–42"

5️⃣ Men – Shorts & Joggers

Size	Waist
S	30"
M	32–34"
L	36"
XL	38"
XXL	40–42"

Fit & Sizing Notes

Some styles follow Asian sizing and may run 1–2 sizes smaller than standard UK sizing.
Refer to each product description for specific fit details.
Measurements may vary slightly depending on fabric and cut.

Optimum Nutrition Gold Standard 100% Whey is the world's #1 selling whey protein powder. This 465g tub (15 servings) is the perfect starter size or travel-friendly option, delivering 24g of fast-absorbing whey protein per serving to support muscle growth and recovery.

With Whey Protein Isolate as the primary ingredient and naturally occurring BCAAs and glutamine, it's a clean, effective formula trusted by athletes worldwide.

24g protein per serving (15 servings per tub)
Whey Protein Isolate as the #1 ingredient
Naturally occurring BCAAs and glutamine
Low in sugar, caffeine free, gluten free
Smooth, clump-free formula — mix with water, milk, or any drink
Suitable for vegetarians
Informed Choice certified

How to use: Add one scoop to 180–240ml of cold water or milk and shake until dissolved. Best enjoyed before or after training, or first thing in the morning.

Ingredients: Whey Protein Blend (98%) [Milk] (Whey Protein Isolate, Whey Protein Concentrate, Hydrolysed Whey Protein Isolate, Emulsifier: Soy Lecithin), Flavourings, Thickener (Xanthan Gum), Sweetener (Sucralose, Acesulfame K).

Not intended for use by persons under 18. Do not exceed recommended dosage. Keep out of reach of children.

Size Guide

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Optimum Nutrition Gold Standard 100% Whey Protein Powder 465g