L (continued)
- LowCarbDiets
- Lucille Roberts
- Lunch Box Diet
- Lyse XL
M
- Macrobiotic Diet
- Maggie Drozd
- Magna-Rx
- Magnolia Bark
- Makers Diet
- Malibu Pilates Chair
- Malibu Pilates
- Maltitol
- Man Scorch
- Mangosteen
- Maqui Superberry
- Marilu Henner
- Master Cleanse
- Matol
- Max Lean PM
- Max Trim
- Maxx Trim
- Mazindol
- MediClear
- Medifast
- Medislim
- Mega Diet
- Mega T
- Mega-Pro
- Megaburn
- Megathin
- Melaleuca
- Melt It Off
- Meltdown
- Meltrx 24 Ultra
- Menopause Diet
- Meridia
- Met-Rx
- Meta Slim
- Metab-O-FX
- Metabo 925
- Metabo Extreme
- Metabo Ultra Max
- Metabo Up
- Metaboburn
- Metabocel
- Metabofire
- MetaboFirm
- Metabolic Thyrolean
- Metabomax EF
- Metaboslim
- Metabosurge
- Metaboultra-max
- Metaboup
- Metabozest
- Metaburn
- Metamucil
- Metasys
- MetaSystem
- Methadrol
- Miaozi
- Michael Thurmond
- Micro Diet
- Micro Diet Shake
- Microdiet
- Microlean
- MicroNutra
- Midnight Stallion
- Million Dollar Body
- Miracle Burn
- Miracle Diet Patch
- Miracle Fat Burning Cream
- Miracle Slim Wrap
- Miracleburn
- Miralene Weight Loss System
- MNS Max 3
- Mochatonix
- Modifast
- Modifilan
- Molecular Nutrition
- Momentum 2 Day Slim Down
- Monavie
- Montignac
- MPOWER
- Mrc-6
- Muscle Tech
- MuscleTech
- Musclewerks
- MX-LS7
- My Food Diary
- My Weigh
- My Weight Loss Coach
- MyApex
- Myoffeine
- MyoPlex
- MyPyramid
- MyVitaminsRX
N
- Nano Slim
- Nanoslim
- Nanotrim
- National Body Challenge
