The gentle stomach muesli
  • buffers gastric acid
  • builds up muscles gently
  • also for nervous horses
  • no cereals or molasses
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marstall Gastro-Müsli was designed for horses with sensitive stomachs or stomach problems, using the latest scientific findings. Nervous and underweight horses will also benefit from its cereal-free, acid-buffering yet highly digestible formula. This molasses-free muesli is also quite tasty, as horses with stomach problems are often fussy eaters.

Gastro-Müsli: The gentle concentrated feed for horses with sensitive stomachs.

Allgäu hay fibres and soft Timothy chaff give marstall Gastro-Müsli its high structure. More chewing and saliva production work together with added bicarbonate to buffer gastric acids. Its molasses- and cereal-free formula also helps to prevent extreme acidic conditions in the stomach.

marstall Gastro-Müsli contains grape pomace with anti-inflammatory polyphenols, antioxidants and omega-3 fatty acids. Mannan-oligosaccharides and ß-glucans support a healthy gastrointestinal environment by promoting the natural biofilm on the intestinal mucosa, strengthening the immune system and binding mycotoxins. They also have prebiotic properties. The high content of small intestine digestible protein in this stomach muesli supports the muscles and helps especially thin stomach patients to regain more body mass.

marstall Gastro-Müsli also contains extra magnesium, because stress and stomach problems often go hand in hand. This benefits all horses, as magnesium is also important for relaxed muscles.

Feed supplement for horses

Composition of marstall Gastro-Müsli

Grass, dried at high temperature (48%), Dry grape pomace (15%), soya bean meal (14%), extracted linseed shred (10,5%), vegetable fat (rapeseed, refined) (4%), Grass dried at a high temperature (Timothy) (3%), calcium carbonate (1%), Brewer’s yeast cell walls (Saccharomyces cerevisiae) (1%), magnesium oxide (0,9%), Sodium bicarbonate (0,8%), monocalcium phosphate (0,5%)


Nutritional analysis and energy per kg 

Crude protein

16,50 %

pcd* crude protein

110,00 g

Crude fat

6,80 %

Crude fibre

17,00 %

Crude ash

10,30 %

Energy (DE)**

10,50 MJ

Energy (ME)**

8,80 MJ


1,00 %


0,45 %


0,30 %


0,70 %


4,20 %


6,50 %

Amino acids



0,60 %

SAS (Methionine + Cysteine)*

0,35 %


0,45 %


0,15 %


0,60 %

*precaecal digestibility = can be digested in the small intestine = available
**acc. to GfE 2014 (Society for Energy Efficiency)


Nutritional additives per kg 

Fat-soluble vitamins

Vitamin A

14.500,00 I.E.

Vitamin D3

650,00 I.E.

Vitamin E

280,00 mg

Vitamin K3

5,50 mg

Water-soluble vitamins

Vitamin C

30,00 mg

Vitamin B1

17,00 mg

Vitamin B2

4,00 mg

Vitamin B6/Pyridoxine Hydrochloride

11,50 mg

Vitamin B12/Cyanocobalamin

30,00 mcg


195,00 mcg

Folic acid

5,80 mg

Choline chloride

190,00 mg

Calcium D-pantothenate

18,50 mg


29,00 mg

Trace elements

Iron as monohydrate iron (II) sulphate

100,00 mg

Copper as copper (II) sulphate pentahydrate

25,00 mg

Zinc as zinc oxide

165,00 mg

Manganese as manganese (II) oxide

95,00 mg

Iodine as anhydrous calcium iodate

0,45 mg

Selenium as sodium selenite

0,50 mg

Feeding recommendation

... as single concentrated feed

Light work

 approx. 400 g to 100 kg BW/day

Moderate work

 approx. 500 g to 100 kg BW/day

Heavy work

approx. 650 g to 100 kg BW/day


Example feed per day for a 600 kg horse as a single concentrated feed in addition to hay

Light work

 approx. 2,0 kg to 2,5 kg

Moderate work

 approx. 2,5 kg to 3,0 kg

Heavy work

approx. 3,0 kg to 4,0 kg

In case of hasty eaters, horses with feed envy, dental problems etc. we recommend to feed Gastro-Müsli soaked
(e.g. 1 liter Gastro-Müsli + 1 liter warm or cold water for 15 minutes).

1 liter marstall Gastro-Müsli = approx. 380 g

Feeding advice

Due to the higher content of trace elements and vitamin D3 compared to complete feeds, this supplementary feed for horses may only be fed according to the recommendations given here! Please follow the recommended ration in order to provide your horses with the best possible care for their situation.

All specified feed quantities are to be given throughout the day in several small feeds.

Our recommendations assume a roughage intake (hay) of 1.5 kg per 100 kg body weight per day.


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