Does heaven exist? With well over 100,000 plus recorded and described spiritual experiences collected over 15 years, to base the answer on, science can now categorically say yes. Furthermore, you can see the evidence for free on the website allaboutheaven.org.

Available on Amazon
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This book, which covers Visions and hallucinations, explains what causes them and summarises how many hallucinations have been caused by each event or activity. It also provides specific help with questions people have asked us, such as ‘Is my medication giving me hallucinations?’.

Available on Amazon
also on all local Amazon sites, just change .com for the local version (.co.uk, .jp, .nl, .de, .fr etc.)

Observations placeholder

Dr Duke's list of Plants containing LUTEIN



Type of Spiritual Experience


A description of the experience

Dr. Duke's
Phytochemical and Ethnobotanical Databases


Plants Containing LUTEIN

Ordered by quantity


Rheum rhabarbarum L. -- Rhubarb Pt 34 ppm DUKE1992A
Vaccinium myrtillus L. -- Bilberry, Dwarf Bilberry, Whortleberry Fruit 26 ppm DUKE1992A
Prunus domestica L. -- Plum Fruit 24 ppm DUKE1992A
Ribes nigrum L. -- Black Currant Fruit 22 ppm DUKE1992A
Persea americana MILLER -- Avocado Fruit 16 ppm DUKE1992A
Pyrus communis L. -- Pear Fruit 11 ppm DUKE1992A
Actinidia chinensis PLANCHON -- Kiwi Fruit 9 ppm DUKE1992A
Ribes uva-crispa L. -- Gooseberry Fruit 9 ppm DUKE1992A
Vitis vinifera L. -- European Grape, Grape, Grapevine, Parra (Sp.), Vid (Sp.), Vigne Vinifere (Fr.), Weinrebe (Ger.), Wine Grape Fruit 7 ppm DUKE1992A
Malus domestica BORKH. -- Apple Fruit 5 ppm DUKE1992A
Rubus idaeus L. -- Raspberry, Red Raspberry Fruit 4 ppm DUKE1992A
Citrullus lanatus (THUNB.) MATSUM. & NAKAI -- Watermelon Fruit 3 ppm DUKE1992A
Citrus sinensis (L.) OSBECK -- Orange Fruit 3 ppm DUKE1992A
Fragaria spp -- Strawberry Fruit 3 ppm DUKE1992A
Prunus persica (L.) BATSCH -- Peach Fruit 2.8 ppm DUKE1992A
Ribes rubrum L. -- Red Currant, White Currant Fruit 2.3 ppm DUKE1992A
Citrus reticulata BLANCO -- Mandarin, Tangerine Fruit 2 ppm DUKE1992A
Vaccinium macrocarpon AITON -- American Cranberry, Cranberry, Large Cranberry Fruit 2 ppm DUKE1992A
Citrus limon (L.) BURMAN f. -- Lemon Fruit 1.2 ppm DUKE1992A
Citrus paradisi MacFAD. -- Grapefruit Fruit
Musa x paradisiaca L. -- Banana, Plantain Fruit


Sun Dec 6 07:27:18 EST 2015

The source of the experience

Dr Dukes plant database

Concepts, symbols and science items



Science Items

Activities and commonsteps