Hi welcome to HCM Ihave gone thu your query and can understand your concern . With physical and mentle stress is natural to have hypertension . But it dosn t mean to give up before your problems . You are aware of pranayama and other physical exercises . Dear , It surely helps with all other regimen to increase immunity . . In fact,Your body is always fighting something -- an infection, a toxin, an allergen, a food or the stress response -- and somehow it redirects its hostile attack on your joints, your brain, your thyroid, your gut, your skin, or sometimes your whole body .invaders . Your immune system is your defense against invaders . But when the immune system becomes weak, the disease cells can grow out of control , the disease overpowers GULPING ON MEDICINES only WILL NOT HELP CURE UNLESS WE MODIFY OUR LIFE STYLE . your total health depends on what we eat ,when we eat and how we eat . So regular exercise and Balanced diet containing essential nutrients as FIBER RICH , LOW SALT - LOW FAT DIET ,fruit ,green veges vitamins and minerals in natural form - coconut water ,lemon juice with water nuts , almonds , and supplements full of antioxidants as Aloe vera juice + Amla juice 2 spoons , A level spoon Turmeric powder + Almond oil is very important for our sound mental and physical health and strengthen immune response naturally Avoid fried fast foods ,tea ,coffee , alcohol , smoking ,stress ,worry, anger , Constipation . Make sure that you get enough sleep every night Proper regular walk , exercise -legs & hands , yoga For proper blood circulation. exercise ,yoga , Kapalbhatti pranayam -deep breathing ,Anulom Vilom , Bhramari are help ful for soothing nerves inducing sleep and eliminating toxins from our body and help the natural hormones work,. Meditation also helps sooth the mind helps in detoxifying and strengthening the immune system to enhance resistance from diseases and pave way for healthy disease free life . Take Homeopathic Kali Phos 6 / Thrice a day / Take 4 hourly / for 15 days . Hope this helps solves your query .Take care .All the best Don t hesitate to come with further query if you have any . It’s important to check with your physician before adding herbs to your existing medications,regarding the herbs that are antioxidant ,have no side effects and go with any therapy of treatment .