Instead, she endorsed Joe Biden in a message to her supporters.
"Although I may not agree with the vice president on every issue, I know that he has a good heart and he's motivated by his love for our country and the American people", she added. "I'm confident that he will lead our country guided by the spirit of aloha-respect and compassion-and thus help heal the divisiveness that has been tearing our country apart".
Democratic presidential candidate Sen. Bernie Sanders (I-Vt.) did not want to be bothered on Wednesday with questions over the future of his campaign to become the party's nominee, lashing out at a CNN reporter for asking about the timeline for how long the socialist plans to stay in the race.
"I have a great appreciation for Senator Sanders's love for our country and the American people and his honest desire to improve the lives of all Americans", she said.
Gabbard announced her entry in the 2020 race in January 2019.
"We can vote for Hillary Clinton and. get more of these interventionist, regime-change wars that have cost us so much, or we can vote for and support Bernie Sanders, end these counterproductive, costly interventionist wars and invest here at home, because we cannot afford to do both", Rep. Gabbard said in 2016, per The Washington Post.
Throughout her candidacy, Gabbard experienced low polling numbers, most often in the single digits.
Gabbard's adamant stance against US involvement in "regime-change wars" and military conflicts overseas made her foreign policy views stand out from many of her Democratic colleagues and was one of the reasons she remained in the contest as long as she did.
Biden's latest wins have given him a almost insurmountable lead over Sanders of 971 to 737 delegates, according to Edison Research. The senator's campaign said March 18 that he would assess his bid.
She served two tours of duty in the Middle East and briefly suspended her campaign a year ago in August to voluntarily serve two weeks of active duty with the Army National Guard in Indonesia.