For an advertising campaign in May 2017, General Mills announced they would be promoting 10,000 boxes of cereal that contain only marshmallow pieces. Recent changes to the marshmallows include the star shape taking on a "star" design, the orange five-pointed star being complemented by a white "trail". Each six-ounce bag will contain hearts, stars, horseshoes, clovers, blue moons, rainbows, red balloons, and unicorns.

Introduced in 2017, limited edition cinnamon vanilla Lucky Charms include only snowman, snowball, and snowflake-shaped marshmallows. rights and specific trade dress owned by Nestlé; rights elsewhere owned by Associated British Foods. There are hundreds of thousands of people today in the United States that are having vomiting and diarrhea, from a bunch of different causes.In some cases, many of the complainants may be right about the link between their symptoms and a particular food product – while many others are wrong about the same thing.

Piggy banks and plastic watches were introduced as cereal box send-away prizes as a marketing tactic to increase sales. Hearts, Stars, and Horseshoes, Clovers and Blue Moons, Hourglasses, Rainbows, and Tasty Red Balloons!In 1975, Lucky the Leprechaun was briefly replaced by Waldo the Wizard in New England, while Lucky remained the mascot in the rest of the United States. In September 2022, the FDA said it found no pathogen or cause behind 558 self-reported cases of illness “despite extensive testing for numerous potential microbial and chemical adulterants. General Mills says it has found no evidence of illness linked to the cereal, and experts are hesitant to make assumptions.