From David Harrison: 
This looks like a lot of stuff and by no means did I do it all. I recommend checking other alternative healing books too, David

Before Surgery

Immune System
Beta carotene 25,000 IU
Vitamin E 200 IU w/ selenium as anti-oxidants
Vitamin C 1000 mg w/ bioflavanoids & rutin for tissue integrity
B Complex 100 mg w/ pantothenic acid 500 mg for adrenal strength High vegetable protein diet. Must have protein to heal, Full spectrum pre-digensted amino acid compound, capsules or drink
Potassium juice, potassium supplement liquid and/or protein drink daily Strengthen body defense measures.

Include daily:
Bromelain 750 mg (w/ Quercetin 250 mg if there is inflammation)
Germanium 30 mg
Sun CHLORELLA 20 tablets, 1 packet powder, or Crystal Star ENERGY GREEN
Gotu Kola capsules, 2 caps 2x daily for one month
Crystal Star GINSENG 6 DEFENSE RESTORATIVE SUPER TEA 2x daily

When you return home Eat a nutritious diet
Organ meats and/or sea vegetables for absorbable B12
Seafoods and baked/broiled fish
Brown rice and other whole grains w/ tofu
Fresh fruits and vegetables
Yogurt and other cultured foods for friendly intestinal flora
Potassium broth orjuice, green drink or hot energy tonic
High protein drink such as Nature Plus SPIRUTEIN
Clean the body and vital organs, to counterract infection
High potency multi culture compound such as DOCTOR DOLPHILUS or Natren LIFESTART 2, 1 tsp in juice or water w/ each meal
Crystal Star LIV ALIVE caps, tea or extract
Georges ALOE VERA JUICE W/ HERBS. 1 glass in the morning
Astragalus caps/extract w/ Siberian ginseng  & reishi mushrooms to remove toxicity and provide deep body tone
Shark liver oil/shark cartilage caps for leukocyte formation to fight infection
Enzyme therapy ie., Rainbow Light DETOX-ZYME
Beta Carotene 50-100,000 IU as anti-infectives Build the body and tissues up
Futurebiotics VITAL K or other food source absorbable potassium liquid
Crystal Star MINZYME-MINOS drink and/or Body Rebuilder w/ ADRN-ALIVE caps
Vitamin C w/ bioflavanoids & rutin 500 mg only with pantothenic acid 500-1000 mg
Vitamin E 400 IU w/ selenium or carnitine 250 mg with CoQ 10 mg as anti-oxidants
Vitamin B12 sublingual or Ever-BVitB12 Internasal gel
Enzymatic Therapy LIQUID LIVER w/ ginseng caps or Country Life ENERGIX vials
Aloe vera or Calendula gel to heal scars and lesions, or puncture a vitamin A & D oil cap
If you are taking anti-biotics, take them with Bromelain for effectiveness and supplement w/ B Complex, Vitamin C, Vitamin K, and Calcium
It is recommended that you take natural Vitamin E, as the synthetic thins blood which is not advisable within a month before surgery.
Start taking the shark liver oil a couple of weeks ahead of time so it has a chance to build up in the system