I will assume that u already know that each inhalation of cigarette smoke has over 4000 chemicals in it and there is so much more, yet I will answer your question and if you want further information, I am more than willing to help.

To start Darryl, began consuming chlorophyll in a big way.  You can begin juicing immediately and can get juicing recipes.

If u can, begin consuming quality concentrated chlorophyll powders with your juices.  Also, consider the nutrients below taken from James Balch, M.D. and Phyllis Balch, CNC as well as resarch conducted by Gary Null, PhD.

The information below has been researched and can be further researched by reading the literature of the authors above.  We can start off with the following below, yet it is only the beginning due to the cellular damage that has taken place as a result of smoking and other environmental factors, so we must not only heal the cells (the body), we must rebuild it with optimal nutrient intakes.

Vitamin C 5,000 – 20,000mg a day-------smokers use up double the amount of vitamin c than non-smokers. Also, smoking breaks down the collagen in skin and vitamin c helps to restore this.

Coenzyme Q 10 200 mg 2x a day
An antioxidant combo –as directed on the label
Vitamin E(d-alpha tocopherol) 200 IU a day
Pycnogenol or Grapeseed Extract---helps with our lungs
Vitamin B Complex  100 mg a day
A quality pharmaceutical grade multi-vitamin
A high quality absorbable amino acid complex