Memory vitamin capsules for teens 13 years old. Any recommendation mommies. Thanks posted by mary_ann_rose_lim_1 · 9 months ago Memory vitamins for teens. Unrated Ah sis, honestly the best memory boost para sa teens is good sleep, healthy food, and maybe omega-3s, a few of us moms swear by fish oil supplements or adding more fish sa diet nila kasi that really helps with focus and memory. But since your daughter's still young, better check with her doctor muna to see if she actually needs a supplement or if it's just the lifestyle stuff na kailangan, kasi minsan our kids just need better sleep habits and less phone time talaga!