The editors of Antioxidants would like to express their sincere gratitude to the following reviewers for assessing manuscripts in 2013:
| Abbas, S. | De Tullio, M.C. | Loizzo, Monica R. |
| Abdel-Aal, El-sayed M. | Dean, Lisa | Ludewig, Gabriele |
| Alves, Andreia | Durazzo, Alessandra | Malathy, P. |
| Andini, Rita | Espley, Richard V. | Malta, Luciana Gomes |
| Andreotti, Carlo | Estevinho, Leticia | Medina, Miguel A´ngel |
| Apak, Reşat | Failla, Mark | Miceli, Antonio |
| Aruoma, Okezie | Farid, Chemat | Miguel, M. G. |
| Baiano, A. | Franco, Rodrigo | Miller, Kenneth B |
| Barrajón-Catalán, Enrique | Fry, Jeffery | Mimica-Dukic, Neda |
| Battino, Maurizio | Giannenas, I. | Ming, Li-june |
| Benavente-Garcia, O. | Gordon, Michael | Morales, Juan C. |
| Bendini, Alessandra | Goya, Luis | Mosley, Robert Lee |
| Böhm, Volker | Hadjipavlou-Litina, Dimitra | Mullen, Bill |
| Brambilla, A. | Haleagrahara, Nagaraja | Nemzer, Boris |
| Brantner, Adelheid | Harris, Cory | Niki, Etsuo |
| Calokerinos, Anthony | Innocenti, Marzia | Özyürek, Mustafa |
| Carvalho, Paulo | Iriti, Marcelo | Paliyath, Gopinadhan |
| Celi, Pietro | Jastrebova, Jelena | Panzella, Lucia |
| Céspedes, Carlos L. | Kaiser, Andrea | Pérez-Jiménez, Jara |
| Chen, Ching-Yi | Khan, M. Firoze | Pizzala, Roberto |
| Choi, Young Hae | Khandaker, Laila | Polidoros, Alexios |
| Clifford, Mike | Kremer, Dario | Polikarpov, Igor |
| Coelho, José A. | Liakopoulou-Kyriakides, Maria | Priefer, Ronny |
| Dalessandro, Giuseppe | Proestos, Charalampos | |
| De Bellis, Luigi | Liu, Wenlan | Pyrzynska, Krystyna |
| Ragaee, S. M. | Sarker, Satya | Striker, Gary E. |
| Rahman, Anisur | Sato, Kenji | Sureda, Antoni |
| Romain, Cindy | Saul, Nadine | Tundis, Rosa |
| Romano, Anabela | Schmeda Hirschmann, Guillermo | Udenigwe, Chibuike C. |
| Rouanet, Jean-Max | Ulrichová, Jitka | |
| Roychowdhury, Sanjoy | Senchina, David | Vadigepalli, Rajanikanth |
| Ruiz-Sanz, José Ignacio | Serrano, María | Vieira, A. |
| Rupasinghe, H.P. Vasantha | Sommano, Sarana | Weber, John T. |
| Ryan, Michael J. | Spanier, Britta | Williams, Robert J. |
| Saleh, Mahmoud A. | Stevanovic, Tatjana | Zhang, Junzeng |
| Salvador, Mirian | Stich, Karl |