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Description
82 (1 Suppl), 222S-225S (2005)
doi: 10.1016/S0301-0082(97)00052-X

And for beginners

They usually provide complete protein (11g per serving) from brown rice, pea, pumpkin seed, and sunflower seed [22] , which supports overall skin health and repair

PubMed: PMID 30512345