Flax seed is also known as linseed. You can purchase this from local shops and chemists. Studies show that people who suffer from arthritis may benefit by consumption of omega 3 fatty acids which are found in flax seed oil. Nutrients found in flax seed oil contain anti-inflammatory agents, which can help quell the inflammation of joints that leads to aches and pains helping reduce the risk of arthritis. Flax seed is also rich in fiber, which may affect levels of hormones that are involved in the progression of cancer. It also improves the quality of hair, nails, and skin, as well as helping you to lose weight or bulk up, and it lowers cholesterol and blood pressure. Flax seed also helps the digestive system, easing bowel movement combating constipation. One of the great benefits of flaxseed is during menopause.
Flaxseed can be added to cereals, yoghurt and salads or incorporated into a wide variety of baked goods including breads. Although flaxseed can be eaten whole, ground flax seed is easier to digest.
Popular herbal use of Flax Seed includes coughs, sore throats, hardening of the arteries, rheumatoid arthritis, abscesses, ulcers, and, when mixed with white mustard seeds, a cure for chest complaints.
Apart from this, I notice that you are overweight. Please get in touch with your doctor for a plan to reduce your weight in a controlled manner so that the pressure on your back and knees is less and you experience less pain.