Abbott Nutrition has restarted production at a Michigan baby formula factory that was previously shut down due to contamination, contributing to a nationwide shortage of formula. 

"We will ramp production as quickly as we can while meeting all requirements," Abbott said in a statement. "We're committed to safety and quality and will do everything we can to re-earn the trust parents, caregivers and health care providers have placed in us for 130 years."

US firm Abbott says it is restarting production at a baby formula plant after its shutdown contributed to a national shortage of the baby food.

The plant in Michigan - one of America's largest - was closed in February because of contamination.

Coupled with global supply chain issues, the factory's closure led to acute shortages.

Parents were left scrambling for supplies, seeking formula from food banks, friends and doctor's offices.

Baby formula manufacturer Abbott Laboratories restarted production Saturday at its Sturgis, Michigan plant that has been closed since February.

Abbott said it will first produce EleCare and other specialty and metabolic formulas which will be available to consumers as early as June 20. The company added that it will restart production of Similac and other formulas as soon as it can.

The company reached an agreement with the Food and Drug Administration after a voluntary recall that has contributed to a baby formula shortage nationwide.