What materials are your products made from?

Our products are crafted from premium, moisture-wicking fabrics designed for maximum performance and comfort during your workouts.

How do I choose the right size?

Please refer to our detailed size guide available on each product page. We recommend measuring yourself and comparing to our size chart for the best fit.

What is your return policy?

We offer a 30-day return policy on all unworn items with tags attached. Please visit our returns page for full details.

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Douglas Laboratories Ultrazyme (Polyphasic Enzyme Complex) | Active Digestive Enzymes to Support Protein and Carbohydrate Digestion* | 180 Tablets

Name: Douglas Laboratories Ultrazyme (Polyphasic Enzyme Complex) | Active Digestive Enzymes to Support Protein and Carbohydrate Digestion* | 180 Tablets
Brand: BritishVita | Premium UK Vitamins & Wellness Supplements
SKU: B002LTIZVO
Price: 107.4 GBP
Availability: InStock

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£107.40 GBP

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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.

Douglas Laboratories Ultrazyme (Polyphasic Enzyme Complex) provides active digestive enzymes to support protein and carbohydrate digestion.* This formula contains catalytically active pancreatic enzymes and bromelain to aid the breakdown of large macromolecular protein complexes.* It is designed to support GI health and its highly complex ecosystem.* Our uncompromising manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free. For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential for healthy living, today and in the future.*

Digestion Support: Ultrazyme Provides high levels of catalytically active pancreatic enzymes that are specific for the digestion of carbohydrates and proteins.*
Contains Bromelain: Bromelain facilitates the breakdown of large macromolecular protein complexes.*
Digestive: supplement formulated to support G.I. health and its highly complex ecosystem.*
Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential for healthy living, today and in the future.*

Our products are crafted from premium, moisture-wicking fabrics designed for maximum performance and comfort during your workouts.
Please refer to our detailed size guide available on each product page. We recommend measuring yourself and comparing to our size chart for the best fit.
We offer a 30-day return policy on all unworn items with tags attached. Please visit our returns page for full details.

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Douglas Laboratories Ultrazyme (Polyphasic Enzyme Complex) | Active Digestive Enzymes to Support Protein and Carbohydrate Digestion* | 180 Tablets