The 45-year-old actor, who has Violet, 11, Seraphina, eight, and Samuel, five, with her estranged husband Ben Affleck, signed up as a co-founder of Once Upon a Farm company, reported Femalefirst.
"As a mom of three and Save the Children artist ambassador, I am passionate about childhood nutrition and making sure we are leaving a healthier and happier planet for the next generation.
"Once Upon a Farm helps parents keep their promise to deliver the best nourishment for their children's bodies and souls," Garner said.
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