https://www.sciencedirect.com/science/article/abs/pii/S0963996911002572
https://pubmed.ncbi.nlm.nih.gov/24012283
https://pubmed.ncbi.nlm.nih.gov/15134524
https://pubmed.ncbi.nlm.nih.gov/18209270
https://pubmed.ncbi.nlm.nih.gov/11880572
https://pubmed.ncbi.nlm.nih.gov/26773014
https://pubmed.ncbi.nlm.nih.gov/21130297
https://pubmed.ncbi.nlm.nih.gov/17147415
https://pubmed.ncbi.nlm.nih.gov/26725849
https://pubmed.ncbi.nlm.nih.gov/26773014
https://pubmed.ncbi.nlm.nih.gov/23319811
https://pubmed.ncbi.nlm.nih.gov/22535616
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3139238
https://pubmed.ncbi.nlm.nih.gov/23990623
https://www.ncbi.nlm.nih.gov/pubmed/10995120
https://www.ncbi.nlm.nih.gov/pubmed/17602170
https://www.ncbi.nlm.nih.gov/pubmed/20660279
https://www.ncbi.nlm.nih.gov/pubmed/23319811
https://pubmed.ncbi.nlm.nih.gov/1674106
https://pubmed.ncbi.nlm.nih.gov/22332099
https://pubmed.ncbi.nlm.nih.gov/20837053
https://pubmed.ncbi.nlm.nih.gov/21676539
https://www.sciencedirect.com/science/article/pii/S1756464615005812
https://www.healthline.com/nutrition/lutein-and-zeaxanthin
https://www.ncbi.nlm.nih.gov/pubmed/18377617
https://www.ncbi.nlm.nih.gov/pubmed/21115094
https://www.ncbi.nlm.nih.gov/pubmed/17168666
https://www.ncbi.nlm.nih.gov/pubmed/25274026
https://www.ncbi.nlm.nih.gov/pubmed/17056825
https://ods.od.nih.gov/factsheets/Omega3FattyAcids-Consumer
https://www.ncbi.nlm.nih.gov/pubmed/26854452
https://pubmed.ncbi.nlm.nih.gov/20425756
https://www.ncbi.nlm.nih.gov/pubmed/25889554
https://pubmed.ncbi.nlm.nih.gov/21088453
https://www.healthline.com/health/flaxseed-oil-side-effects
https://www.healthline.com/nutrition/why-is-fiber-good-for-you
https://pubmed.ncbi.nlm.nih.gov/?term=%22Lycopene%22%5BMeSH%5D
https://www.ncbi.nlm.nih.gov/pubmed/10820081
https://www.ncbi.nlm.nih.gov/pubmed/9529899
http://onlinelibrary.wiley.com/doi/10.1002/jsfa.911/abstract
http://www.sciencedirect.com/science/article/pii/S0963996999000538
https://www.ncbi.nlm.nih.gov/pubmed/15277161
https://www.ncbi.nlm.nih.gov/pubmed/24710903
https://www.ncbi.nlm.nih.gov/pubmed/16820341
https://www.ncbi.nlm.nih.gov/pubmed/23045517
https://www.ncbi.nlm.nih.gov/pubmed/16569044
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3438755
https://www.ncbi.nlm.nih.gov/pubmed/22760559
https://www.ncbi.nlm.nih.gov/pubmed/11340098
https://www.healthline.com/nutrition/collagen
http://www.eurekaselect.com/71902/article
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3494535
https://www.tandfonline.com/doi/abs/10.1080/87559120902956141
https://pubmed.ncbi.nlm.nih.gov/24065101
https://pubmed.ncbi.nlm.nih.gov/23571649
https://pubmed.ncbi.nlm.nih.gov/25345471
https://pubmed.ncbi.nlm.nih.gov/22332099
https://pubmed.ncbi.nlm.nih.gov/15186108
https://www.ncbi.nlm.nih.gov/pubmed/15186108
https://pubmed.ncbi.nlm.nih.gov/15186108/
https://pubmed.ncbi.nlm.nih.gov/18937165
https://www.ncbi.nlm.nih.gov/pubmed/11120446