The information provided on Welzo.com is intended for general knowledge and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always read the manufacturer’s guidelines and consult with your healthcare professional before using any over-the-counter (OTC) products available on this website. Welzo.com does not endorse any specific products, treatments, or procedures mentioned on the site. Use of any information or products on this website is entirely at your own risk. For personalised medical advice, always consult your physician or a qualified healthcare provider.Third-Party Products: Products listed on Welzo.com may be supplied, listed, or fulfilled by independent third-party sellers. While we strive to maintain accuracy and quality across the Platform, Welzo is not the manufacturer, owner, or legal seller of many listed products and cannot be held responsible for any inaccuracies, product claims, or representations made by third-party vendors. It is your responsibility to verify product suitability, legality, and safety before use or purchase.If you encounter any incorrect, misleading, or inappropriate content on a product listing, please notify us immediately through the following link: https://welzo.zendesk.com/hc/en-gb/requests/new. We will investigate the issue and, where necessary, liaise with the seller to rectify or remove the listing.To the fullest extent permitted by law, Welzo disclaims all liability for any loss, damage, or harm resulting from reliance on product information provided by third parties. Use of this website implies acceptance of these terms.

Weider Mega Mass 4000, Strawberry - 3000 grams

Weider Mega Mass 4000, Strawberry - 7000 grams

"Very quick delivery. Used 3 times, each order arrived the next day before 12:00"

Hugo Dover

"Reliable & original products, with fast next day delivery. Have been using Welzo for over a year now."

Elina Goulliard

"Welzo is great, lots of support from customer service who are easy to get a hold of and quick delivery."

Elizabeth Moore

Product Description

Weider Mega Mass Protein Powder offers a high calorie mix of carbohydrates and a multi source protein blend, and creatine monohydrate to support muscle growth and energy during training sessions. Packed with Creapure creatine and protein matrix, this powder brings clear value to bulking periods and fast recovery between sessions. It is backed by Weider quality and a trusted option for athletes chasing gains.

Benefits & Features:

High energy powers tough workouts.
Multi source protein from whey, casein and egg makes this protein powder a reliable mass gainer.
Creatine monohydrate fuels intramuscular energy for repeated bursts and quicker recovery.
Vitamins and minerals support metabolism and training adaptation, helping you recover faster between sessions while ensuring you meet daily nutrient needs for steady progress consistently.
No added sugar keeps it clean and simple, ideal for daily use.

Weider has built a reputation for serious training support, and Mega Mass Protein Powder brings together a clear, performance focused blend. The formula combines complex carbohydrates with a multi source protein matrix to fuel workouts and support steady amino acid delivery for muscle repair. Creapure creatine monohydrate helps replenish energy for short, intense bursts, while a vitamin and mineral blend backs metabolic function and recovery. It’s designed as a robust protein powder that doubles as a dependable mass gainer when used with a structured bulking plan. Quality controls matter.

Ingredients/Specifications

Energy, Fat, of which sat. fatty Acids, Carbohydrates, of which sugars, Protein, Salt, Vitamin E, Vitamin C, Thiamin, Riboflavin, Niacin, Vitamin B6, Folic Acid, Biotin, Pantothenic Acid, Iron, Zinc, Iodine, Creatine Monohydrate, of which Creatine, L-Alanine, L-Arginine, L-Ascorbic Acid, L-Cysteine, L-Glutamic Acid, L-Glycine, L-Histidine, L-Isoleucine, L-leucine, L-Lysine, L-Methione, L-Phenylalanine, L-Proline, L-Serine, L-Threonine, L-Tryptophan, L-Tyrosine, L-Valine

GTIN: 4044782326251
Manufacturer: Weider
Size: Strawberry / 7000 grams
Categories: Best Sellers Protein Powders, Shakes & Supplements Sports Supplements Subscribe & Save Products Weider Sports Nutrition Supplements Weight Gainers & Muscle Mass Gainers
Best buy: 6 - 24 months+

UK Delivery & Returns

United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging. Subject to T&C's.

Welzo is a UK-based health platform. Orders ship from the UK.

How to use

Mix 1 serving (150 g powder, approximately 2 1?2 measuring scoops) with 550 ml of water or semi-skimmed milk (1.5% fat). Consume throughout the day or immediately after workouts to support muscle recovery. Store in a cool, dry place, away from direct sunlight and moisture. Keep out of reach of children. This product is intended for adults who perform high-intensity exercises. Do not exceed the recommended daily dose. If you are pregnant, breastfeeding, taking any prescribed medication, or have any medical condition, consult a healthcare professional before use.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

	Amount Per 100g	Amount Per Serving	%RI*
Energy	1548.6667 kJ / 364.6667 kcal	2323 kJ / 547 kcal
Fat	0.8 g	1.2 g
of which sat. fatty Acids	0.5333 g	0.8 g
Carbohydrates	68.6667 g	103 g
of which sugars	12.6667 g	19 g
Protein	20 g	30 g
Salt	0.2 g	0.3 g

Vitamin E	4 mg	6 mg	50%
Vitamin C	26.6667 mg	40 mg	50%
Thiamin	0.3667 mg	0.55 mg	50%
Riboflavin	0.4667 mg	0.7 mg	50%
Niacin	5.3333 mg	8 mg	50%
Vitamin B6	0.4667 mg	0.7 mg	50%
Folic Acid	66.6667 Âµg	100 Âµg	50%
Biotin	33.3333 Âµg	50 Âµg	100%
Pantothenic Acid	2 mg	3 mg	50%
Iron	5.4667 mg	8.2 mg	58%
Zinc	3.3333 mg	5 mg	50%
Iodine	50 Âµg	75 Âµg	50%
Creatine Monohydrate	2266.6667 mg	3400 mg
of which Creatine	2000 mg	3000 mg

Amino Acid Profile
Amino Acid Profile
L-Alanine	0.46 g	0.69 g
L-Arginine	0.74 g	1.11 g
L-Ascorbic Acid	0.26 g	0.39 g
L-Cysteine	0.8667 g	1.3 g
L-Glutamic Acid	3.3333 g	5 g
L-Glycine	0.38 g	0.57 g
L-Histidine	0.52 g	0.78 g
L-Isoleucine	1.06 g	1.59 g
L-leucine	1.9 g	2.85 g
L-Lysine	1.64 g	2.46 g
L-Methione	0.54 g	0.81 g
L-Phenylalanine	0.94 g	1.41 g
L-Proline	1.8 g	2.7 g
L-Serine	1.1 g	1.65 g
L-Threonine	0.92 g	1.38 g
L-Tryptophan	0.28 g	0.42 g
L-Tyrosine	1 g	1.5 g
L-Valine	1.26 g	1.89 g

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Creatine Monohydrate (Creapure)

Creatine monohydrate is a compound involved in quick energy production for muscle work and intense workouts. This version, Creapure creatine monohydrate, is a high-purity presentation chosen to help energy availability in muscles during demanding activity.

This format links to boosted energy supply in muscle tissue, helping sustained performance and recovery during repeated high-intensity efforts.

What Does Creatine Monohydrate Do?

Creatine monohydrate helps uphold energy in muscles by bolstering intramuscular phosphocreatine and ATP regeneration during short bursts of high-intensity activity.

Dr. Kreider at a university found that creatine supplementation can significantly boost strength and lean mass during resistance exercise.

This product isn't meant to diagnose, treat, cure, or prevent any disease.

Why it's Welzo

Welzo selects brands that blend scientific formulation with solid quality checks, and Weider stands out for its muscle building mix aimed at bulking, including a high calorie, multi source protein matrix and Creapure creatine. This brand consistently integrates proven ingredients at meaningful levels, which aligns with our aim to offer athletes a nutrients rich option backed by a clear sports performance focus. The product’s inclusion of creatine monohydrate (Creapure) and a multi source protein mix reflects a chemistry driven approach that matches our quality standards, while the carbohydrate rich profile supports energy needs during demanding training cycles. This brand was evaluated by Welzo's healthcare professionals for compliance with the standards we enforce, ensuring compatibility with our safety and transparency criteria.

Weider’s commitment to a well rounded formula, combining protein, carbohydrates and Creapure, makes it particularly suited for this supplement type. Welzo’s expert team thoroughly assessed brand credibility and quality controls, reinforcing our confidence in the partnership and in delivering reliable support to active individuals. This selection mirrors our brand evaluation process and supports the product’s specific role in muscle energy and recovery.

Weider Mega Mass 4000 Protein Powder

Q: Can I buy Weider Mega Mass 4000 Protein Powder from Amazon?

To check if you can buy Weider Mega Mass 4000 Protein Powder from Amazon, refer to their website directly. Weider Mega Mass 4000 Protein Powder can be purchased directly from Welzo.

Q: Where can I buy Weider Mega Mass 4000 Protein Powder in the United Kingdom?

You can buy Weider Mega Mass 4000 Protein Powder from Welzo in the United Kingdom. You’ll get exclusive discounts, multi-buy offers, and direct customer support. Welzo has over 40,000 products available, many of them are exclusive and are not available to purchase from typical retailers such as Boots, Superdrug, or Amazon.

Q: Where is Welzo based?

Welzo is a UK based website at 833, 19 - 21 Crawford Street, W1H 1PJ, London, United Kingdom.

Q: How do we ensure the quality and authenticity of Weider Mega Mass 4000 Protein Powder?

Welzo guarantees the authenticity and quality of Weider Mega Mass 4000 Protein Powder by sourcing directly from verified manufacturers or vetted third-party distributors. Additionally, we maintain full inventory oversight, allowing us to trace the product's origin directly to your delivery address.We also try to ensure suppliers are GMP Certified.

Q: Are the claims on this product page medically reviewed?

Our in-house medical content team is proudly led by Dr. Sameer Nakedar, serving as our Chief Medical Officer. Dr. Nakedar brings verifiable medical expertise:Credentials: MBBS (London), MRCGP, PGCertGMC Registration: 7041062You can read our full editorial policy here to ensure our content is accurate.

Q: Can I use Weider Mega Mass 4000 Protein Powder if I'm pregnant?

Before using, Weider Mega Mass 4000 Protein Powder you must consult with a qualified healthcare professional such as a Doctor, GP, or Midwife.

Q: Can I buy Weider Mega Mass 4000 Protein Powder from Boots or Superdrug?

Boots and Superdrug do not typically stock Weider Mega Mass 4000 Protein Powder; instead, you can purchase Weider Mega Mass 4000 Protein Powder from Welzo.

Q: How do I contact customer support if I have a question about my order?

You can contact our customer support by heading to our customer help desk here.

Q: What payment methods are accepted, and is my payment secure?

We are committed to providing a fully secure and transparent payment method system. We adhere to SSL, PCI DSS Compliance, and Data Integrity policies. We accept payment methods via Mastercard, Visa, American Express, ClearPay, Apple Pay, Google Pay, and BACs.

72 Reviews

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Weider Mega Mass Protein Powder offers a high calorie mix of carbohydrates and a multi source protein blend, and creatine monohydrate to support muscle growth and energy during training sessions.

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Free UK delivery of orders over £50

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Product Description

Weider Mega Mass Protein Powder offers a high calorie mix of carbohydrates and a multi source protein blend, and creatine monohydrate to support muscle growth and energy during training sessions. Packed with Creapure creatine and protein matrix, this powder brings clear value to bulking periods and fast recovery between sessions. It is backed by Weider quality and a trusted option for athletes chasing gains.

Benefits & Features:

High energy powers tough workouts.
Multi source protein from whey, casein and egg makes this protein powder a reliable mass gainer.
Creatine monohydrate fuels intramuscular energy for repeated bursts and quicker recovery.
Vitamins and minerals support metabolism and training adaptation, helping you recover faster between sessions while ensuring you meet daily nutrient needs for steady progress consistently.
No added sugar keeps it clean and simple, ideal for daily use.

Weider has built a reputation for serious training support, and Mega Mass Protein Powder brings together a clear, performance focused blend. The formula combines complex carbohydrates with a multi source protein matrix to fuel workouts and support steady amino acid delivery for muscle repair. Creapure creatine monohydrate helps replenish energy for short, intense bursts, while a vitamin and mineral blend backs metabolic function and recovery. It’s designed as a robust protein powder that doubles as a dependable mass gainer when used with a structured bulking plan. Quality controls matter.

Ingredients/Specifications

Energy, Fat, of which sat. fatty Acids, Carbohydrates, of which sugars, Protein, Salt, Vitamin E, Vitamin C, Thiamin, Riboflavin, Niacin, Vitamin B6, Folic Acid, Biotin, Pantothenic Acid, Iron, Zinc, Iodine, Creatine Monohydrate, of which Creatine, L-Alanine, L-Arginine, L-Ascorbic Acid, L-Cysteine, L-Glutamic Acid, L-Glycine, L-Histidine, L-Isoleucine, L-leucine, L-Lysine, L-Methione, L-Phenylalanine, L-Proline, L-Serine, L-Threonine, L-Tryptophan, L-Tyrosine, L-Valine

GTIN: 4044782326251
Manufacturer: Weider
Size: Strawberry / 7000 grams
Categories: Best Sellers Protein Powders, Shakes & Supplements Sports Supplements Subscribe & Save Products Weider Sports Nutrition Supplements Weight Gainers & Muscle Mass Gainers
Best buy: 6 - 24 months+

UK Delivery & Returns

United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging. Subject to T&C's.

Welzo is a UK-based health platform. Orders ship from the UK.

How to use

Mix 1 serving (150 g powder, approximately 2 1?2 measuring scoops) with 550 ml of water or semi-skimmed milk (1.5% fat). Consume throughout the day or immediately after workouts to support muscle recovery. Store in a cool, dry place, away from direct sunlight and moisture. Keep out of reach of children. This product is intended for adults who perform high-intensity exercises. Do not exceed the recommended daily dose. If you are pregnant, breastfeeding, taking any prescribed medication, or have any medical condition, consult a healthcare professional before use.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

	Amount Per 100g	Amount Per Serving	%RI*
Energy	1548.6667 kJ / 364.6667 kcal	2323 kJ / 547 kcal
Fat	0.8 g	1.2 g
of which sat. fatty Acids	0.5333 g	0.8 g
Carbohydrates	68.6667 g	103 g
of which sugars	12.6667 g	19 g
Protein	20 g	30 g
Salt	0.2 g	0.3 g

Vitamin E	4 mg	6 mg	50%
Vitamin C	26.6667 mg	40 mg	50%
Thiamin	0.3667 mg	0.55 mg	50%
Riboflavin	0.4667 mg	0.7 mg	50%
Niacin	5.3333 mg	8 mg	50%
Vitamin B6	0.4667 mg	0.7 mg	50%
Folic Acid	66.6667 Âµg	100 Âµg	50%
Biotin	33.3333 Âµg	50 Âµg	100%
Pantothenic Acid	2 mg	3 mg	50%
Iron	5.4667 mg	8.2 mg	58%
Zinc	3.3333 mg	5 mg	50%
Iodine	50 Âµg	75 Âµg	50%
Creatine Monohydrate	2266.6667 mg	3400 mg
of which Creatine	2000 mg	3000 mg

Amino Acid Profile
Amino Acid Profile
L-Alanine	0.46 g	0.69 g
L-Arginine	0.74 g	1.11 g
L-Ascorbic Acid	0.26 g	0.39 g
L-Cysteine	0.8667 g	1.3 g
L-Glutamic Acid	3.3333 g	5 g
L-Glycine	0.38 g	0.57 g
L-Histidine	0.52 g	0.78 g
L-Isoleucine	1.06 g	1.59 g
L-leucine	1.9 g	2.85 g
L-Lysine	1.64 g	2.46 g
L-Methione	0.54 g	0.81 g
L-Phenylalanine	0.94 g	1.41 g
L-Proline	1.8 g	2.7 g
L-Serine	1.1 g	1.65 g
L-Threonine	0.92 g	1.38 g
L-Tryptophan	0.28 g	0.42 g
L-Tyrosine	1 g	1.5 g
L-Valine	1.26 g	1.89 g

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Creatine Monohydrate (Creapure)

Creatine monohydrate is a compound involved in quick energy production for muscle work and intense workouts. This version, Creapure creatine monohydrate, is a high-purity presentation chosen to help energy availability in muscles during demanding activity.

This format links to boosted energy supply in muscle tissue, helping sustained performance and recovery during repeated high-intensity efforts.

What Does Creatine Monohydrate Do?

Creatine monohydrate helps uphold energy in muscles by bolstering intramuscular phosphocreatine and ATP regeneration during short bursts of high-intensity activity.

Dr. Kreider at a university found that creatine supplementation can significantly boost strength and lean mass during resistance exercise.

This product isn't meant to diagnose, treat, cure, or prevent any disease.

Why it's Welzo

Welzo selects brands that blend scientific formulation with solid quality checks, and Weider stands out for its muscle building mix aimed at bulking, including a high calorie, multi source protein matrix and Creapure creatine. This brand consistently integrates proven ingredients at meaningful levels, which aligns with our aim to offer athletes a nutrients rich option backed by a clear sports performance focus. The product’s inclusion of creatine monohydrate (Creapure) and a multi source protein mix reflects a chemistry driven approach that matches our quality standards, while the carbohydrate rich profile supports energy needs during demanding training cycles. This brand was evaluated by Welzo's healthcare professionals for compliance with the standards we enforce, ensuring compatibility with our safety and transparency criteria.

Weider’s commitment to a well rounded formula, combining protein, carbohydrates and Creapure, makes it particularly suited for this supplement type. Welzo’s expert team thoroughly assessed brand credibility and quality controls, reinforcing our confidence in the partnership and in delivering reliable support to active individuals. This selection mirrors our brand evaluation process and supports the product’s specific role in muscle energy and recovery.

See full range