Citation Rankings
Highly Cited Researchers

Medical and Health Sciences Highly Cited Researchers 31 Scientists Citation in South Africa Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

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Total 31 scientists
* Total Citation Counts Rankings
Ranking Based On Selection: 2
South Africa
Julia H. Goedecke
Diabetes
Obesity
ethnicity
insulin sensitivity
Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,707
2,887
0.375
* Total Citation Counts Rankings
Ranking Based On Selection: 3
South Africa
Johann Jerling
Nutrition leadership
haemostasis
human nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,395
2,708
0.423
* Total Citation Counts Rankings
Ranking Based On Selection: 4
South Africa
Tsolekile
Nutrition
Obesity
Prevention of non communicable diseases
community health workers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,768
3,786
0.656
* Total Citation Counts Rankings
Ranking Based On Selection: 5
South Africa
Zandile Mchiza
obesity
nutrition
non-communicable disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,726
2,514
0.532
* Total Citation Counts Rankings
Ranking Based On Selection: 6
South Africa
Whadi-ah Parker
nutrition
public health
NCDs
health systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,184
1,696
0.405
* Total Citation Counts Rankings
Ranking Based On Selection: 7
South Africa
June-Rose Mchiza
Nutrition
Obesity and Non-Communicable Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,615
2,065
0.571
* Total Citation Counts Rankings
Ranking Based On Selection: 8
South Africa
Una Macintyre
Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,859
684
0.239
* Total Citation Counts Rankings
Ranking Based On Selection: 9
South Africa
Marjanne Senekal
Weight managment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,712
1,108
0.409

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
South Africa
Mahopo Cloupas
Maternal and child health nutrition and Food Security
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,369
1,599
0.675
* Total Citation Counts Rankings
Ranking Based On Selection: 11
South Africa
Andre Oelofse
Human Nutrition Cardiovascular health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,250
694
0.308
* Total Citation Counts Rankings
Ranking Based On Selection: 12
South Africa
Corinna Walsh
Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,725
952
0.552
* Total Citation Counts Rankings
Ranking Based On Selection: 13
South Africa
Martani Lombard
Infant and young child nutrition
severe and moderate acute malnutrition
mycotoxins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,304
658
0.505
* Total Citation Counts Rankings
Ranking Based On Selection: 14
South Africa
Nicolette Hall
Human Nutrition & Sustainability
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,254
648
0.517
* Total Citation Counts Rankings
Ranking Based On Selection: 15
South Africa
Monica Muti
NCDs
Epidemiology
Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,240
857
0.691
* Total Citation Counts Rankings
Ranking Based On Selection: 16
South Africa
Lisanne M. Du Plessis
Maternal Infant and Young Child Nutrition
First 1000 days of Life
Health Promotion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,070
665
0.621
* Total Citation Counts Rankings
Ranking Based On Selection: 17
South Africa
Alison B Feeley
Obesity
chronic diseases
dietary patterns
adolescents
food security
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
976
561
0.575
* Total Citation Counts Rankings
Ranking Based On Selection: 18
South Africa
Kirthee Pillay
Human Nutrition
Dietetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
937
735
0.784
* Total Citation Counts Rankings
Ranking Based On Selection: 19
South Africa
Hanekom Sm
Nutrition
Serious games
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
936
352
0.376
* Total Citation Counts Rankings
Ranking Based On Selection: 21
South Africa
Jacolene Kroff
Obesity treatment
Physical activity and Health
Human energy expenditure
Calorimertry
Respiratory Physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
612
360
0.588
* Total Citation Counts Rankings
Ranking Based On Selection: 22
South Africa
Elizabeth Anna Symington
Nutrition
pregnancy
iron
anaemia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
307
0.714
* Total Citation Counts Rankings
Ranking Based On Selection: 24
South Africa
Marinel Rothman
infant nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
279
234
0.839
* Total Citation Counts Rankings
Rankings
20,801
South Africa
60
20
Ranking Based On Selection: 1
Nelia Patricia Steyn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,004
11,428
0.357
* Total Citation Counts Rankings
Rankings
134,707
South Africa
529
125
Ranking Based On Selection: 2
Julia H. Goedecke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,707
2,887
0.375
* Total Citation Counts Rankings
Rankings
163,927
South Africa
649
25
Ranking Based On Selection: 3
Johann Jerling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,395
2,708
0.423
* Total Citation Counts Rankings
Rankings
181,851
South Africa
745
23
Ranking Based On Selection: 4
Tsolekile
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,768
3,786
0.656
Nutrition
Obesity
Prevention of non communicable diseases
community health workers
* Total Citation Counts Rankings
Rankings
220,523
South Africa
926
28
Ranking Based On Selection: 5
Zandile Mchiza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,726
2,514
0.532
* Total Citation Counts Rankings
Rankings
246,894
South Africa
1,043
7
Ranking Based On Selection: 6
Whadi-ah Parker
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,184
1,696
0.405
* Total Citation Counts Rankings
Rankings
280,955
South Africa
1,218
38
Ranking Based On Selection: 7
June-Rose Mchiza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,615
2,065
0.571
* Total Citation Counts Rankings
Rankings
341,776
South Africa
1,543
150
Ranking Based On Selection: 8
Una Macintyre
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,859
684
0.239
* Total Citation Counts Rankings
Rankings
356,644
South Africa
1,616
330
Ranking Based On Selection: 9
Marjanne Senekal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,712
1,108
0.409
* Total Citation Counts Rankings
Rankings
395,941
South Africa
1,837
14
Ranking Based On Selection: 10
Mahopo Cloupas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,369
1,599
0.675

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Gain data-driven strategic insights into your institution’s academic performance, global positioning, and competitive strengths through advanced analysis and benchmarking

with 20 similarly ranked institutions at City, Country, Region, and Global levels. 

* Total Citation Counts Rankings
Rankings
411,347
South Africa
1,929
62
Ranking Based On Selection: 11
Andre Oelofse
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,250
694
0.308
* Total Citation Counts Rankings
Rankings
496,366
South Africa
2,393
55
Ranking Based On Selection: 12
Corinna Walsh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,725
952
0.552
* Total Citation Counts Rankings
Rankings
592,082
South Africa
2,952
146
Ranking Based On Selection: 13
Martani Lombard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,304
658
0.505
Infant and young child nutrition
severe and moderate acute malnutrition
mycotoxins
* Total Citation Counts Rankings
Rankings
605,944
South Africa
3,048
303
Ranking Based On Selection: 14
Nicolette Hall
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,254
648
0.517
* Total Citation Counts Rankings
Rankings
609,757
South Africa
3,073
319
Ranking Based On Selection: 15
Monica Muti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,240
857
0.691
* Total Citation Counts Rankings
Rankings
662,558
South Africa
3,363
407
Ranking Based On Selection: 16
Lisanne M. Du Plessis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,070
665
0.621
Maternal Infant and Young Child Nutrition
First 1000 days of Life
Health Promotion
* Total Citation Counts Rankings
Rankings
695,669
South Africa
3,560
355
Ranking Based On Selection: 17
Alison B Feeley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
976
561
0.575
Obesity
chronic diseases
dietary patterns
adolescents
food security
* Total Citation Counts Rankings
Rankings
710,139
South Africa
3,632
290
Ranking Based On Selection: 18
Kirthee Pillay
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
937
735
0.784
* Total Citation Counts Rankings
Rankings
710,780
South Africa
3,635
189
Ranking Based On Selection: 19
Hanekom Sm
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
936
352
0.376
* Total Citation Counts Rankings
Rankings
742,021
South Africa
3,831
60
Ranking Based On Selection: 20
Maretha Opperman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
858
243
0.283
* Total Citation Counts Rankings
Rankings
857,075
South Africa
4,563
699
Ranking Based On Selection: 21
Jacolene Kroff
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
612
360
0.588
Obesity treatment
Physical activity and Health
Human energy expenditure
Calorimertry
Respiratory Physiology
* Total Citation Counts Rankings
Rankings
991,528
South Africa
5,557
284
Ranking Based On Selection: 22
Elizabeth Anna Symington
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
307
0.714
* Total Citation Counts Rankings
Rankings
1,041,866
South Africa
5,981
35
Ranking Based On Selection: 23
Estelle Viljoen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
380
176
0.463
* Total Citation Counts Rankings
Rankings
1,169,074
South Africa
7,065
671
Ranking Based On Selection: 24
Marinel Rothman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
279
234
0.839
* Total Citation Counts Rankings
Rankings
1,361,308
South Africa
8,779
59
Ranking Based On Selection: 25
Annette Van Onselen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
179
167
0.933
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