Perfect Origins, the manufacturer of LivLean Formula #1, states in the fine print of its website that its products are not intended to treat, cure or prevent any diseases. As of March 2015, user reviews of the formula on Highya and Reviewopedia are mixed.
LivLean Formula #1 is supposed to detoxify the liver, which should boost the metabolism and cause weight loss. Oh Highya, the product has a rating of 3.5 out of five stars from users. Reviews tended to be either very positive or very negative, as it received 18 five-star reviews and 13 one-star reviews. Positive reviewers noted that the product worked as intended and caused weight loss. Negative reviewers stated that the product didn't provide health benefits, and some mentioned the difficulty of contacting the company to receive a refund.
The average user rating on Reviewopedia was also 3.5 out of five stars. Out of five reviewers, three said the product caused weight loss, one said it caused weight gain, and one said it had no effect after a month, but he also had not been dieting or exercising as much as usual.
Both Consumer Reports and The Guardian have reported that gaining health benefits from detoxifying the liver is a myth.