Originally Posted by
positronbomb
Make sure you're eating red meat at least 3 times a week.
Assuming you don't have an existing condition that limits this, make sure you keep your sodium level up. I experienced light headedness, nausea and vomiting when I used to lift weights when I was young. It was caused by not adding enough sodium to my diet. Iodized salt is probably best - iodine is good for thyroid health.
Put in a blender, ice, 600ml of milk, banana, and 2 eggs. Drink it right before sleeping.
You should start to see improvement.