Second time moms or more

Ok so the Internet has me all nervous about the B6 & unisom and that too much B6 could be damaging to the fetus and I’ve been taking the recommended amount 25mg 3X per day and 1 unisom tablet at night for over a week now but my prenatal also has 500% B6 (my kind organics) and I read 200% should be the limit and now I’m worried. I just ran out and switched to Alive prenatal gummies that have 150% B6. I’m thinking I should stop especially since it isn’t helping my nausea but have any moms taken this combo and had a perfectly healthy baby? I need some reassurance or should I stop..