4-Plex®C provides 50% more space in feed pre-mixes and micro-ingredient machines, which means you save 50% in freight costs and approximately 50% in warehouse space. Talk about return. 4-Plex®C has unique, new characteristics that provide superior product handling and flow. Add in Zinpro’s patented MicroTracer® technology for feed tracking and accountability, and the result is what you’ve come to expect from the industry leader. At Zinpro, we go to great lengths to consistently guarantee a positive return on investment from all our Performance Minerals. Expect no less from 4-Plex®C. A nutritional feed ingredient for animal feed. When used as a commercial feed ingredient, it must be declared as zinc methionine complex, manganese methionine complex, copper lysine complex and cobalt glucoheptonate. Association of American Feed Control Officials (AAFCO) No. 57.151 and 57.148. Canada Reg. No. 983327

Ingredient Name: DL-Methionine

Functions: Mineral Source

Technical Data Sheet

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Identification & Functionality

Ingredient Name
Animal Feed & Nutrition Functions

Applications & Uses

Feeding Instructions
    g/hd/d g/US Ton g/MT
DAIRY CATTLE Calves   500 550
  Growing Heifers 5.5    
  Non-Lactating Cows 7    
  Lactating Cows 7    
DAIRY CATTLE Creep Feed   1,150 1,250
  Weaned Calves   500 550
  Cows and Bulls 7    
  Feedlot Receiving 7    
  Feedlot Finishing 7    
GOATS All 1    
HORSES All 7    
COMPANION Canine Consult your Zinpro Representative  
  Feline Consult your Zinpro Representative  
SPECIALTY Deer 3.5    
  Elk 7    
  Llamas 2    
  Rabbits 0.2    
  • BEEF CATTLE: Creep feed recommendation based on daily intake of 1% body weight.
  • WARNING: Contains high levels of copper. DO NOT FEED TO SHEEP OR RELATED SPECIES.


Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Particle CharacteristicsFree flowing, slightly hygroscopic
SolubilityActive product is water soluble
Package TypeMultiwall bag
Package Weight55.1 (25)lb (Kg)
Moisture3,600 (0.36)ppm (%)
Ash1.0 - 2.5%
Crude Protein49.9%
Crude Fiber19.8%
Particle Size (150 μm)(max. 75) (max. 850)% (μm)
Density(38 - 42) (610 - 670)lb/ft3 (kg/m3)

Regulatory & Compliance

Chemical Inventories

Packaging & Availability

Packaging Type

Storage & Handling

Handling, Storage and Shelf life
  • When correctly used, there is no toxicity hazard in the use of 4 Plex C. Refer to the SDS for more detail. Store in a clean and dry environment. Follow label directions and rotate inventory to ensure fresh product.
  • Shelf Life: 5 years after the date of manufacture