claymic said:
hope i am not jumping on this thread but i am curious about something....if someone is taking about 70g of carbs a day from the 3 shakes, is that the same as any other person following a diet with 70g of carbs or less??
According to the Newcastle study report, the Optifast shakes were 170 kCals each and 46.4% of that was carbohydrate. So, if my sums are right, the daily energy from carbohydrate was 3 x 170 x 0.464 = 236.6 kCals. As carbohydrate is about 4 kCals per gram, the daily carbohydrate intake from shakes was around 59g. If we add in the green veg, the diabetic study would indeed have had 60-70g of carbohydrate each day.
I started the diet using 3 x Tesco shakes (coz they're cheap!!). When made up with 250ml skimmed milk, they each have 26.1g of carbs (of which 13.6g is from the shakes powder and 12.5g from the milk) - i.e. a total of 78.3g. If I add in say 10g of carbs from green veg, my total would have been around 90g per day. Once I had done those sums, I realised that I was consuming maybe 20g of carbs more than the Newcastle study group.
I decided to use soya milk instead of skimmed, which only has 0.5g of carbohydrate in 250ml, much lower than skimmed milk which has 12.5g in 250ml. So, my 3 Tesco shakes, made up with soya milk now each have 13.6 + 0.5 = 14.1g of carbohydrate per shake. My daily total including the green veg is now 10 + 3 x 14.1 = 52g of carbs, around 38g less than previously. Total calories had fallen too, as soya milk only has 60kCals in 250ml, whereas the skimmed milk had 88 kCals, a reduction of 84 kCals per day. A downside is that soya milk has a little less protein, 5g/ 250ml instead of 8.5g. I decided that I could reasonably add back in a (very) little meat or fish to provide that protein deficit without exceeding the original calory budget - and that is what I am now doing.
Do carbs make a difference? I believe they do. My belief, for what it is worth, is that the Newcastle diet works at least partly because it is (just) ketogenic and that potentially the same results could have been achieved with any very low carb ketogenic diet, such as the induction phase of Atkins (which is exactly what I plan to do when I finish my 8 weeks stint on the ND) or Dukan.
The difference between what I'm doing and what defren is doing is .......
* I am completely off medication, defren is (I think) still on 2xmetformin
* I am eating around 200g of green veg per day. I don't think defren is.
* I am eating a little over 50g carbohydrate per day, much more than defren but about 20g/day less than the Newcastle diabetic study group.
* I have a (very) little meat or fish to add back the protein lost by changing to soya milk.
I think that both approaches will work (i.e. weight will be lost and BGs wil improve). The important characteristics of a successful hypocaloric diet are, I think, that calory intake is significantly less than the daily energy requirement, that it is low carb enough to be ketogenic (so that you burn body fat), that the diet contains enough protein, fibre, vitamins and minerals. If you have all that, then I think it has to work.
Andrew