MHP Up Your Mass is a mass gainer built to fuel serious muscle gains with a big calorie, strong protein blend that helps faster recovery and strength. Developed by MHP, a brand with a long heritage in performance nutrition, the formula blends a mass load carb matrix with fast and slow protein for steady growth [in sport science]. Informed Choice and GMP testing are part of how we keep quality high, so athletes can trust every shake.

Benefits & Features:

• Supports fast, convenient muscle gains.
• Fast and slow protein blends balance rapid recovery with sustained muscle growth.
• Star ingredients deliver both quick amino acid delivery after workouts and continued building between sessions, supporting muscle protein synthesis and helping lean mass accumulate over time.
• Designed for daily use as a go to post workout shake.
• Manufactured in GMP facilities and tested for quality to ensure label accuracy and safety for athletes.

Backed by MHP's long standing history in performance nutrition, Up Your Mass blends premium whey and casein with a mass load carb matrix for steady energy. The product is produced in GMP compliant facilities and is Informed Choice certified, giving athletes confidence in ingredient quality and label accuracy. This mass gainer uses a balanced mix of fast and slow proteins, plus BCAAs, to support muscle growth and recovery. It's also widely regarded as one of the best protein powder options for serious gains.

Calories, Total Fat, Saturated Fat, Cholesterol, Total Carbohydrate, Total Sugars, Protein, Vitamin D, Calcium, Iron, Phosphorus, Sodium, Potassium, Digestive Enzyme Blend: Papain and Bromelain

• GTIN: 666222008790
• Manufacturer: MHP
• Size: French Vanilla Creme / 2728 grams
• Categories: Best SellersMHP SupplementsSports SupplementsWeight Gainers & Muscle Mass Gainers
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the 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 30 days in the same original and unopened packaging. Subject to T&C's.

Mix 1-2 scoops of Up Your Mass XXXL 1350 with water or milk, preferably before or after workouts to maximise muscle gains. For best results, consume with meals to help meet your daily caloric and protein needs. Store in a cool, dry place away from direct sunlight. Warning: Consult a healthcare professional before use if you are pregnant, nursing, taking medication, or have a medical condition.

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

*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: Protein (Whey and Casein Blend)

Protein is a big macronutrient that's essential for repairing and building muscle. This product uses a mix of fast and slow proteins from milk, including whey protein concentrate, whey protein isolate, hydrolysed whey, micellar casein and milk protein.

This blend gives a spectrum of amino acids to help keep protein available for muscle tissues.

What Protein Does?

Protein helps fuel muscle protein synthesis and keeps muscle mass healthy, plus it assists with tissue maintenance and recovery after exercise, contributing to overall muscle adaptation and growth when paired with resistance training.

The main job of protein here is to provide high-quality amino acids from a milk-based mix to support normal muscle function and recovery.

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

MHP has a long-standing track record in performance nutrition, making it a trusted partner for Welzo in delivering high‑calorie, high‑protein mass gain support. The brand is known for specialised sports nutrition, with collaborations to support athletes and champions, and its certifications reinforce its industry standing. This reliability guided our decision to partner with MHP for Up Your Mass XXXL. The manufacturer operates in a GMP compliant facility, ensuring consistent quality, safety and purity across batches, while Informed-Choice certification adds an independent layer of confidence for athletes and active individuals. Our team evaluated brands against strict criteria and consistently prioritised those with evident quality standards and transparency, and MHP rose to the top in these areas. For this reason, Welzo chose MHP as a partner to deliver a robust mass‑gain solution that aligns with our commitment to safety and performance. Our medical experts our team of medical experts have reviewed the brand against our rigorous testing protocols and confirmed its suitability for Welzo customers.