| Medicinal Plants of South Africa. BE Wyk, B Oudtshoorn, N Gericke | 2288 | 1997 |
| People's plants: A guide to useful plants of Southern Africa. BE Wyk, N Gericke | 1700 | 2000 |
| Devil's Claw—A review of the ethnobotany, phytochemistry and biological activity of Harpagophytum procumbens N Mncwangi, W Chen, I Vermaak, AM Viljoen, N Gericke Journal of ethnopharmacology 143 (3), 755-771, 2012 | 185 | 2012 |
| Psychoactive constituents of the genus Sceletium NE Br. and other Mesembryanthemaceae: a review MT Smith, NR Crouch, N Gericke, M Hirst Journal of Ethnopharmacology 50 (3), 119-130, 1996 | 153 | 1996 |
| Sceletium—a review update N Gericke, AM Viljoen Journal of Ethnopharmacology 119 (3), 653-663, 2008 | 149 | 2008 |
| Pharmacological actions of the South African medicinal and functional food plant Sceletium tortuosum and its principal alkaloids AL Harvey, LC Young, AM Viljoen, NP Gericke Journal of Ethnopharmacology 137 (3), 1124-1129, 2011 | 147 | 2011 |
| Acute effects of Sceletium tortuosum (Zembrin), a dual 5-HT reuptake and PDE4 inhibitor, in the human amygdala and its connection to the hypothalamus D Terburg, S Syal, LA Rosenberger, S Heany, N Phillips, N Gericke, ... Neuropsychopharmacology 38 (13), 2708-2716, 2013 | 84 | 2013 |
| Bioprospecting: creating a value for biodiversity AL Harvey, N Gericke Research in biodiversity–models and applications, 323-338, 2011 | 64 | 2011 |
| Pharmaceutical compositions containing mesembrine and related compounds NP Gericke, BE Van Wyk US Patent 6,288,104, 2001 | 61 | 2001 |
| A Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Trial of Extract Sceletium tortuosum (Zembrin) in Healthy Adults H Nell, M Siebert, P Chellan, N Gericke The Journal of Alternative and Complementary Medicine 19 (11), 898-904, 2013 | 49 | 2013 |
| Acute Effects of a Polyphenol-Rich Leaf Extract of Mangifera indica L. (Zynamite) on Cognitive Function in Healthy Adults: A Double-Blind, Placebo-Controlled … EL Wightman, PA Jackson, J Forster, J Khan, JC Wiebe, N Gericke, ... Nutrients 12 (8), 2194, 2020 | 44 | 2020 |
| Proof‐of‐Concept Randomized Controlled Study of Cognition Effects of the Proprietary Extract Sceletium tortuosum (Zembrin) Targeting Phosphodiesterase‐4 in … S Chiu, N Gericke, M Farina-Woodbury, V Badmaev, H Raheb, K Terpstra, ... Evidence‐Based Complementary and Alternative Medicine 2014 (1), 682014, 2014 | 43 | 2014 |
| Central nervous system activities of extract Mangifera indica L. L López-Ríos, JC Wiebe, T Vega-Morales, N Gericke Journal of ethnopharmacology 260, 112996, 2020 | 40 | 2020 |
| Mangifera indica L. Leaf Extract in Combination With Luteolin or Quercetin Enhances VO2peak and Peak Power Output, and Preserves Skeletal Muscle Function … M Gelabert-Rebato, JC Wiebe, M Martin-Rincon, N Gericke, ... Frontiers in physiology 9, 740, 2018 | 39 | 2018 |
| Chemical composition of industrially and laboratory processed Cyperus esculentus rhizomes T Vega-Morales, C Mateos-Díaz, R Pérez-Machín, J Wiebe, NP Gericke, ... Food Chemistry 297, 124896, 2019 | 38 | 2019 |
| Sutherlandia frutescens N Gericke, CF Albrecht, B Van Wyk, B Mayeng, C Mutwa, A Hutchings Australian Journal of Medical Herbalism 13 (1), 9-15, 2001 | 33 | 2001 |
| The chemotypic variation of Sceletium tortuosum alkaloids and commercial product formulations EA Shikanga, AM Viljoen, S Combrinck, A Marston, N Gericke Biochemical Systematics and Ecology 44, 364-373, 2012 | 30 | 2012 |
| Electropharmacogram of Sceletium tortuosum extract based on spectral local field power in conscious freely moving rats W Dimpfel, L Schombert, N Gericke Journal of Ethnopharmacology 177, 140-147, 2016 | 29 | 2016 |
| A toxicological safety assessment of a standardized extract of Sceletium tortuosum (Zembrin®) in rats TS Murbach, G Hirka, IP Szakonyiné, N Gericke, JR Endres Food and chemical toxicology 74, 190-199, 2014 | 29 | 2014 |
| Use of pharmaceutical compositions containing mesembrenone A Harvey, N Gericke, A Viljoen US Patent 8,552,051, 2013 | 27 | 2013 |