Aloe Vera (Aloe barbadensis miller)

Aloe vera is used both topically and orally. Topical aloe gel soothes burns, sunburn, and skin irritation; oral aloe (the inner gel) is used for digestive comfort and as a source of polysaccharides, while aloe latex is a harsh laxative.

Aloe gel is the clear inner part, used for skin and gentle digestive support. Aloe latex (the yellow layer under the skin) contains strong laxative compounds (aloin) that can be harsh and unsafe for regular use, so oral products should be decolorized and aloin-free.

For oral use, follow product labeling and choose purified, aloin-free inner-gel products. Topically, apply gel to the skin as needed. Avoid aloe-latex laxatives, which are not recommended for ongoing use.

Topical aloe gel is very safe for most people. Oral inner-gel products are generally tolerated, but aloe latex can cause cramping, diarrhea, and electrolyte loss and is not considered safe for regular use. Pregnant women should avoid oral aloe latex.

Aloe vera is a succulent plant whose gel (from the inner leaf) and latex (from the leaf skin) have been used medicinally for over 5,000 years. The clear inner gel — rich in polysaccharides (acemannan), anthraquinones, vitamins, minerals, and enzymes — is used orally for digestive health and blood sugar management.

The clinically studied dose is Inner leaf gel: 50-300 mL/day juice OR 100-300 mg/day freeze-dried powder. Use only aloin-free decolorized inner-leaf for oral use. Always follow the product label and check with a healthcare provider for personal advice.

For most healthy adults, Aloe Vera is well tolerated at studied doses. Reported effects can include: Important: Distinguish inner gel (safe) from whole leaf/latex (contains aloin — a stimulant laxative with safety concerns) Aloin/barbaloin: stimulant laxative causing cramps, diarrhea; chronic use depletes potassium and may cause electrolyte imbalances; classified as possibly car… It may also interact with some medications. Aloe Vera is not right for everyone, so check with a healthcare provider first if you are pregnant or breastfeeding, have a medical condition, or take prescription medication.

Possible interactions include: Antidiabetic medications — additive glucose-lowering; significant hypoglycemia risk if combined with insulin or sulfonylureas; monitor blood sugar Diuretics — aloin's potassium-depleting effect additive with loop/thiazide diuretics; risk of dangerous hypokalemia If you take prescription medication, check with a pharmacist or doctor before using it.

NutraSmarts rates the evidence for Aloe Vera as Limited (2 out of 5). It is backed by 1 clinical trial and 3 cited references summarized on this page. A higher rating reflects more, larger, and better-designed human studies.