Final - Weight loss Diets

Question 1

Low Fat Diet:

1. What is it?
2. Why Should it work?
3. Evidence
4. Side Effects

Answer 1

1. Less than 30% EI from Fat
2. Energy dense foods are reduced causing less fat storage and it is easy to follow without knowing much about nutrition
3. 1% reduction in fat = 1.6g weight loss/day, low fat is good for heart health and cancer reduction
4. Low palitability

Question 2

Low CHO

1. What is it?
2. Why Should it work?
3. Evidence
4. Side Effects

Answer 2

1. Atkins or Zone, less than 100g CHO or less than 30% of food is CHO
2. Promotes Fat oxidation when CHO is present, Rapid weight loss, better adherence, decrease CHO dependancy and increase keytone utility
3. Greater weight loss than low fat, decrease in BP, TG, HDL
4. Low energy, bad breath, poor ability to train due to low energy, less LDL-cholesterol improvement

Question 3

High Protein

1. What is it?
2. Why Should it work?
3. Evidence
4. Side Effects

Answer 3

1. More than 25% from pro or above 1.2g of protein per kg of body weight
2. High satiety, energy demanding to store excess, tastes good, preserves FFM
3. Weight loss in line with Low Carb, Helpful to prevent regain of weight after weight loss
4. Poor quality of food? Low energy due to Low CHO and poor nutirtion

Question 4

VLCD

1. What is it?
2. Why Should it work?
3. Evidence
4. Side Effects

Answer 4

1. Less than 800 kcal/day or less than 50% RMR
2. RAPID weight loss
3. Most subjects regain 40-50% of lost weight in 1 -2 years without support
4. Costly, requires medical supervision, increases other negative health symptoms ie gall stones, hair loss, fatigue, cramps

Question 5

Who might want to go on a VLCD?

Answer 5

BMI above 30
Not preganant
pre surgery weight loss
Has $