- Glucomannan
- Glucomannan is a dietary fiber made from the roots of the konjac plant.
- This contains a high amount of soluble fiber and promotes satiety.
- Cholesterol in the diet combines with fiber and is excreted out.
- Though glucomannan is tolerated well orally, it may cause gastrointestinal (GI) complications, such as nausea, vomiting, diarrhea, constipation, bloating, esophageal, and GI block.
- Garcinia cambogia extract
- Garcinia cambogia extract inhibits the enzyme essential for fat formation (lipogenesis).
- Animal research showed that it may increase serotonin levels in the brain, which suppresses hunger.
- It causes gastrointestinal problems, such as nausea, diarrhea, and headache.
- Bitter orange (synephrine)
- Synephrine is a popular weight loss pill and is related to ephedrine.
- It reduces appetite and increases fat burning.
- Though synephrine and ephedrine showed significant short-term weight loss, the U.S. Food and Drug Administration removed them from the market because of their serious side effects.
- Ephedrine and synephrine have serious side effects related to the heart, and they are addictive. 2022’s Best Fat Burning Supplements For Men