Watch more Vitamins & Supplements videos: http://www.howcast.com/videos/497552-What-Is-Vitamin-B6-Vitamins The recommended daily allowance for vitamin B6 for healthy adults aged 19 to 30 is 1.3mg a day. Vitamin B6 is known as “”the anti depressant vitamin”” because it helps regulate our moods and brain functioning. It promotes a healthy appetite, balanced moods, a good metabolism, and restful sleep. Some good food sources of vitamin B6 include: whole grains, liver, organic or grass-fed meats, bananas, avocados, walnuts, and sunflower seeds. If you or someone you know is experiencing depression, low moods, low energy, and irritability, it’s a good idea to make sure that they’re getting enough vitamin B6. If it turns out they’re not able to get enough vitamin B6 from their foods, it’s a good idea for them to consider taking a vitamin B6 supplement.