evidence: For starters, you can request free baby formula samples from: Enfamil When you sign up for Enfamil's program, you'll be eligible for free formula samples. In addition to the free formula, you'll also get a free set of Belly Badges, expert tips, and other special offers. Similac When you join the MySimilac Rewards program, you'll get a bag full of free baby stuff, including formula coupons and expert nutrition guidance. You can also go straight to the source by picking up the phone and calling the company. If they see you as a potential customer, they'll often be happy to send you some free samples. Sometimes, they will direct you to their website. Baby formula manufacturers usually give out formula samples and coupons after you sign up online. Coupons, samples, and other offers usually come to your mailbox or email. Here are some additional infant formula companies that let parents register for coupons: Gerber Nature's One Tip Follow formula companies on social media to be among the first to learn about free formula samples, coupons, and giveaways.