Influence of Fish Consumption and ω-3 Supplementation on the ω-3 Index of Young Adults: A 2 × 2 Factorial Randomized Controlled Trial (YouFish Study). - McMullan JE; Kumar RA; Yeates AJ; Allsopp PJ; Mulhern MS; van Wijngaarden E; Strain JJ; McSorley EM (The Journal of nutrition, 2025)