Trusted by trustpilot!
Regular Delivery service available
FREE DELIVERY available from £29

Science Supplements Muscle Builder

  • 1.86kg Tub £64.39

The Muscle Builder from Science Supplements is a fantastic supplement that delivers a superb amount of three key ingredients; HMB, Leucine and Lysine, which have been scientifically proven to promote muscle health.

Suitable for any horse in any discipline who is in training, this superb supplement is also suitable for horses that struggle to maintain condition or healthy muscle development. Muscle Builder should be fed for at least 4 weeks at the Muscle Building rate. At least 2-3 scoops per day should be fed in a small feed as close to the end of exercise as possible. Mix thoroughly with feed and split between meals.

Active Ingredients:

Per daily rate (150ml = 6 x 25ml scoops) 62g provides: Leucine 22.5g; HMB 15g; Lysine 10g; Carbohydrate 14g; Flavour (trace).


Protein 23.5%;Fibre 0.0%; Oils & Fats 0.1% ; Carbohydrate 62.9% ; Ash 9.0%.


Dextrose, L-Leucine, B-hydroxy B-methylbutyrate, L-Lysine HCl, flavour.

Additives (per kg):

EC permitted mint flavour 2g.

Need help or advice? Contact us:

  • Landline: 01582 842096
  • Mon - Fri: 8:30am - 5:00pm
  • Sat: 9:00am - 1:00pm
  • Email:

All prices include VAT where applicable.

Reviews of Science Supplements Muscle Builder

Read our customers' reviews of Science Supplements Muscle Builder

Questions & Answers for Science Supplements Muscle Builder

Below are some recent questions we've received regarding Science Supplements Muscle Builder, including answers from our team.

Ask Your Own Question

Competition legal

5th Apr 2017
Donna Shimwell

Hi can you compete on this supplant please?

  • Veterinary Advisor

Yes, all the science supplement range are competition legal.