Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
1,451,982
Country Rank
11,003
Institution Rank : 75
![](https://cdn.adscientificindex.com/logos/7703.png)
![South Africa](/flags/za.png)
![Annette Van Onselen](/pictures/a0/4641033.jpg)
Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
World Rank
1,505,018
Country Rank
11,531
Institution Rank : 79
![](https://cdn.adscientificindex.com/logos/7703.png)
![South Africa](/flags/za.png)
![Estelle Viljoen](/pictures/6e/4641031.jpg)
Human Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
World Ranking
1,451,982
Country Ranking
11,003
Institution Ranking
75
Annette Van Onselen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
World Ranking
1,505,018
Country Ranking
11,531
Institution Ranking
79
Estelle Viljoen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000