Hi welcom to HCM
I have gone thru your query  regarding 
diet plan for microalbumneria .
Microalbuminuria occurs when the kidney leaks small amounts of albumin into the urine – in other words, when there is an abnormally high permeability for albumin in the renal glomerulus.
 Usually, cells and proteins stay in the blood, but sometimes a small amount of protein is lost into the urine along with other waste products.
Normally, most protein stays in the body, and little or no protein appears in the urine. If albumin is detected in the urine, it signifies that the kidneys may be damaged or not working properly. Increased levels of albumin may occur with:
Certain immune disorders , 
Diabetic Nephropathy  , 
High blood pressure ,
Some lipid problems .
And this all is the outcome of derailed metabolism  which affects our immune system .
. 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 .
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 '.
I would like to suggest  you to strengthen your immune system  , you include in your regimen  for over all heath benefits  --
Diet and exercise play a key role in controlling blood sugar levels and reducing your weight, blood pressure and 
cholesterol levels, in turn preventing any further kidney damage
Exercis ,Walk  regularly, Yoga ,Pranayam -Deep Breathing  if possible for 30 minutes a day  or more as per your capacity 
Eating at least five portions of fruit and vegetables a day
Increasing the amount of complex carbs in your diet
Choose to eat carbohydrates that release energy slowly such as porridge oats, brown rice and  lentils and beans , ginger, garlic  and supplements full of antioxidants as Aloe vera juice  35 ml + Amla juice 2 spoons , A level spoon of Turmeric powder + Almond oil  and juice of bitter gourd  30 ml  is very important for our sound mental and physical health and strengthen immune response naturally 
Cut down on alcohol & smoking
Constipation is mother of all ills  ,Avoid it 
Monitor and control your blood sugar levels if you have diabetes
Make sure that you get enough sleep every night. 
Drink plenty of water to enhance the height of your intervertebral disks. Since your body is composed mostly of water, staying hydrated will keep you full with fluid and reduce stiffness .
Limit the amount of foods containing high levels of protein, sodium, potassium or phosphate .
 Avoid fried ,fast foods ,tea ,coffee  , sugar, fat and salt   in your diet
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  Apis Mel 30  / twice  . Repeat for 7 days .there after  Repeat alternate day 7 times .
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 .
Hope this helps solves your query .Take care .All the best
Don't hesitate to come with further query if you have any .