Mama June -- Goodbye Multi-Meals, Hello Multi-Vitamins ... Put Me On 'Biggest Loser'

Mama June's hungry for the spotlight ... but sheddin' pounds may be what gets her back on TV.

June was spotted at a Hollywood park Friday puttin' in the work ... TMZ has learned she's got her eyes set on being a contestant on NBC's "The Biggest Loser" and she's hired celebrity personal trainer Natasha Kufa to get the ball rolling.

She may be in compromising positions but she's definitely on a mission ... she says she's determined to drop 100 lbs.

She's already shopping show ideas around ... maybe a workout tape too?