Olive leaf extract liquid comes in the form of ethanolic tinctures and water/glycerine-based liquid extracts, sometimes also called tinctures.
This page deals with ethanolic liquid tinctures which are fast acting, very effective and ideal for stopping early stages of viral and bacterial infection especially in the upper respiratory tract and gut. They are also excellent for mouth/dental ulcers and infections.
The Olive Leaf Extract Liquid Water/Glycerine Extracts are good general preventative tonics and contain no ethyl alcohol.
Of the different forms, ethanolic tinctures are still preferred by most herbalists and practitioners of natural medicine.
They are versatile, can be mixed with other herbal tinctures for specific needs and contain volatile oils which would be lost in dried preparations.
The feedback we have received indicates a wider range of benefits from the tinctures than from dried forms.
Normally referred to just as tinctures, these are ethyl alcohol-based liquids. They are usually taken for acute conditions (conditions with rapid onset and short duration) because they are absorbed so quickly.
Good quality olive leaf extract liquid tinctures are very effective for anything that olive leaf works for.
Ethyl alcohol, usually derived from grains or cane sugar is used to draw the active ingredients from the leaves.
While some people are biased against the use of ethanol (drinking alcohol), it is actually a very practical, safe, natural and efficient medium for extracting, preserving, and delivering into the blood stream plant chemicals dissolved in it.
1. Clearly designated strength. The oleuropein in a tincture is about one and a half to two
times as effective as the same quantity in capsule form.
This is my observation from experience - not scientifically proven.
(Research is starting to emerge showing a much higher absorption of liquid formulations over capsules than this, in terms of oleuropein at any rate (4x) and reaching a peak of 6x the concentration in the blood. Hydroxytyrosol absorption was about the same in either form. There was also a wide variation between men & women and individuals)*.
2. Again, high quality or organic leaves grown by the manufacturer are a good sign.
3. An ethanol content of 30-40% is suitable for olive leaf extract liquid tinctures.
For more information on ethanolic tinctures, their advantages and how to understand tincture strength follow the link Olive Leaf Extract Liquid Strength
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*Human absorption and metabolism of oleuropein and hydroxytyrosol ingested as olive (Olea europaea L.) leaf extract. de Bock M1, Thorstensen EB, Derraik JG, Henderson HV, Hofman PL, Cutfield WS.