Quick answerThe most common problems are digestive: cramps, diarrhea, constipation or nausea, mostly from berberine. The more serious cautions are berberine's interactions with many medications, a rare but real liver risk from green tea extract, and blood sugar drops in people on diabetes drugs. The seller's own terms say pregnant or nursing women and people with diabetes should not take part.
What the seller's own terms say
The sales page does not mention it, but Liv Pure's terms ask people who are pregnant, nursing, anorexic, bulimic, allergic to peanuts or diabetic not to take part, and to contact the company if they already have. That is a longer list of exclusions than most supplements carry, and worth reading before you buy.
Possible side effects, ingredient by ingredient
| Ingredient | What has been reported |
|---|---|
| Berberine | Cramping, diarrhea, constipation, nausea, especially in the first weeks. Many drug interactions. Likely unsafe in pregnancy. |
| Green tea extract | Rare liver injury. Regulators found liver enzymes rose at 800 mg of EGCG a day or more. Caffeine-related jitters or poor sleep if it is not decaffeinated. |
| Milk thistle (silymarin) | Stomach upset, headache, itching. Allergic reactions in people sensitive to ragweed, daisies or marigolds. May lower blood sugar. |
| Resveratrol, genistein | Usually mild digestive complaints. Genistein is a plant estrogen, a concern for hormone-sensitive conditions. |
| Chlorogenic acid, betaine, choline, glutathione, molybdenum | Generally well tolerated at supplement doses. Large amounts of choline can cause a fishy body odor. |
Medications to watch
- Diabetes medications (including metformin and insulin): berberine, milk thistle and green tea can add to their blood-sugar-lowering effect.
- Drugs processed by the liver enzyme CYP3A4, such as some statins, blood thinners, immunosuppressants and sedatives: berberine can change their levels in the blood.
- Blood thinners such as warfarin: berberine and milk thistle may change how they work.
- Hormone therapies and estrogen-sensitive conditions: genistein acts like a weak estrogen.
- Stimulants: if the green tea extract contains caffeine, it adds to coffee, pre-workouts and other stimulants.
Who should not take it without medical advice
- Pregnant or breastfeeding women.
- People with diabetes or on blood-sugar medication.
- Anyone with liver disease, or who has had a reaction to a green tea or weight-loss supplement.
- Anyone taking prescription medication, especially the types listed above.
- People with a history of eating disorders, as the seller's terms also note.
- Anyone with a hormone-sensitive condition such as breast cancer or endometriosis.
- Anyone under 18.
Warning signs: stop and call a doctor
Yellow skin or eyes, dark urine, pale stools, pain in the upper right side of the belly, or unusual tiredness can signal a liver problem. Shakiness, sweating or confusion can mean low blood sugar, especially if you take diabetes medication.
Back to the Liv Pure review, or see every ingredient.
Frequently asked questions
Is Liv Pure safe?
Its ingredients are common in supplements, but Liv Pure has no published safety data and does not disclose doses. Berberine interacts with several medications, and green tea extract has been linked to liver injury at high doses. Talk to your doctor first if you take any prescription medication.
Can diabetics take Liv Pure?
Not without their doctor. The seller's own terms ask people with diabetes not to take part, and berberine, milk thistle and green tea can all lower blood sugar, adding to diabetes medication.
Can Liv Pure hurt your liver?
It is marketed as a liver product, but green tea extract is one of the supplements most often linked to liver injury, mainly at high doses of EGCG. Because the dose is not disclosed, you cannot check your intake. Stop and see a doctor if you notice yellow skin or eyes, dark urine or unusual tiredness.
Can I take Liv Pure while pregnant?
No. Berberine is considered likely unsafe in pregnancy, and the seller's terms also exclude pregnant and nursing women.