Combo consists: OstroVit VITAMIN B COMPLEX 90tabs OstroVit ASHWAGANDHA 90 tabs OstroVit TYROSINE 90 tabs B-complex vitamins are often used to reduce fatigue and boost mood. Some studies suggest that B-complex vitamins can lift your spirits and improve your cognitive performance. Ashwagandha  is classified as an adaptogen, meaning that it can help your body manage stress. Ashwagandha also provides numerous other benefits for your body and brain. For example, it can boost brain function, lower blood sugar and cortisol levels, and help fight symptoms of anxiety and depression. Tyrosine. A powerful amino acid used to support overall brain health aiding with learning, memory, and alertness, especially during stressful situations. It increases dopamine and noradrenaline, improves neuroprotection, lowers acute and chronic stress, lowers heart rate, and improves working memory, cognition, and general wellbeing.