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  • What is the best form of aloe?

    Aloe vera "gel" and aloe vera "juice" that has been purified (or "filtered") are the safest forms of aloe and should contain the highest concentrations of acemannan — the gel-like substance in aloe. This can be applied to the skin or consumed as a liquid in small amounts for potential therapeutic purposes (see "What It Does")
  • What form of aloe can be dangerous?

    Whole aloe vera leaf (as well as Aloe ferox leaf) contains aloe "latex" (known as aloins) which, if consumed, can cause a significant laxative effect (See "What It Does"). These compounds have also been shown to cause cancer in some animals (See "Concerns and Cautions"). The FDA has banned the sale of all aloe products as over-the-counter (OTC) medicine, although they remain legal as dietary supplements. Also be aware that some aloe gels and sprays have also been found to contain benzene, a carcinogen.
  • Which are the best aloe gels and juices? has found that many also products don't contain their expected amounts of key aloe compounds (see "What CL Found"). See our Top Picks among drinkable aloe, topical aloe, and aloe capsules based on our tests and comparisons.

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Alphabetical list of aloe brands compared in this review

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AloeCure Pure Aloe Extract - Grape Flavor

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Aubrey Aloe Vera

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Burn Out Aloe Vera Skin Fix

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George's 100% Aloe Vera

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GNC Aloe Vera

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Lakewood Organic Pure Aloe

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Lily of the Desert 99% Aloe Vera Gelly

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Lily Of The Desert Aloe Vera Juice

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Nature's Way Aloe Latex With Fennel

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Priority One Aloe Complex

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Solaray Super Digestaway Aloe Vera Gel Drink

You must be a member to get the full test results and quality ratings for 11 aloe gels, liquids, and supplements and ConsumerLab's recommendations.  In this comprehensive review, you'll discover:
  • Which aloe products failed, and which passed ConsumerLab's tests
  • ConsumerLab's Top Picks for aloe gel, liquids and supplements based on quality and value
  • The amount of acemannan (a key compound in aloe vera gel) in each product, as well as amounts of aloe latex (aloin and emodin) 
  • How aloe vera gel differs from aloe vera juice, what these have been shown to do, and what to look for on labels    
  • Aloe dosage for specific uses  
  • Potential side effects and drug interactions with aloe

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Additional Information
Tested through CL's Quality Certification Program prior to, or after initial posting of this Product Review.