Very low calorie diets, such as the Intensive Level of the OPTIFAST VLCD Program, have been shown to be very effective in helping people lose weight. During ketosis, when replacing all 3 meals each day over a period of up to 3 months, weekly weight losses can average about 1-2.5kg per week1,2.
Subsequently, how much weight can I lose on Optifast intensive?
Research has shown that on average, weight losses of 1.0-2.5kg per week have been achieved while on the Intensive Level1, 2. Rate of weight loss can vary and will depend on the amount of energy you use each day (energy expenditure).
Similarly, how much weight can you lose in a week on a VLCD?
“A VLCD may allow a patient who is moderately to extremely obese to lose about 3 to 5 pounds per week, for an average total weight loss of 44 pounds over 12 weeks. Such a weight loss can rapidly improve obesity-related conditions, including diabetes, high blood pressure, and high cholesterol.
What is the Optifast 3 day challenge?
These first few days on the OPTIFAST® VLCD™ Program Intensive Level are commonly known as the 3 day challenge. As the body transitions into ketosis, you may experience some transient side effects such as fatigue, hunger, lack of concentration, nausea and headaches.
How much weight can I lose on Optifast in a month?
The OPTIFAST VLCD program can help patients achieve substantial and rapid weight loss 4. On average, patients achieve a weight loss of 1.5–2.5 kg/week 2.
Can you have coffee on Optifast?
When on the Intensive level of the Program, there are additional low calorie foods allowed which
| Allowed | Avoid | |
|---|---|---|
| Water Soda water Diet soft drinks and cordial Plain mineral water | Tea and coffee (no or 30mL skim milk andno sugar) Herbal Teas | Fruit juice Alcohol Soft drinks Cordial |
Do you feel hungry on Optifast?
Hunger. It is normal to feel hungry for the first few days of the program as the body transitions into ketosis. If possible encourage your patient not to eat any extra food to compensate for the fatigue or hunger.
Does optifast put you in ketosis?
The OPTIFAST VLCD Program generally only produces a mild ketosis so some people find that Ketostix do not show ketones, or find that the levels fluctuate. If your patients are losing weight steadily, then there is no need to be concerned.
Can you eat fruit on Optifast?
Your third meal should be a low calorie meal of around 350 calories. You can also have 1 serve of fruit (approximately 70 calories) and 1 serve of dairy (approximately 100 calories) bringing your total food intake, including your OPTIFAST VLCD products , to approximately 1000 calories a day.
What are the side effects of Optifast?
- (over) …
- OPTIFAST® is a weight management program that helps you lose weight quickly and safely. …
- The most common side effects include fatigue (tiredness), nausea (upset stomach), constipation and diarrhea.
Can I eat eggs on Optifast?
If possible, skip the protein and carbohydrates on offer. If you must eat something other than just the vegetables or salad, miss the OPTIFAST VLCD product for that meal and opt for a small portion of protein such as 100g meat or chicken, some fish or eggs.
Is 800 calories a day enough to lose weight?
When trying to lose weight, it is advisable to cut your daily caloric intake by 500 to 1000 calories a day and nothing more. This can help you lose 1 to 2 pounds a week (6). However, even with a calorie deficit, your daily caloric intake should not fall to 800 calories a day.
How much weight will I lose eating 800 calories a day?
According to founder Dr Michael Mosley, those who closely follow the plan could see themselves lose up to 11lb in two weeks by limiting their daily intake to 800 calories a day. It’s been praised, alongside the 16:8 diet, as one of the quickest ways to start weight loss through dedicated fasting.
How much weight would I lose if I ate 500 calories a day?
For most overweight people, cutting about 500 calories a day is a good place to start. If you can eat 500 fewer calories every day, you should lose about a pound (450 g) a week. Always talk with your health care provider to determine a healthy weight for you before starting a weight-loss diet.