I'm a type 1 diabetic who is in week four of Atkins Induction phase.
My average Carb Protein and Fat profile is 4%, 26% and 70%.
Daily calories are around 2100 and Daily carbs 19g
I'm losing weight at around 2-3lbs a week.

I carefully track blood sugars, and am averaging 100, in a range of 120-80.

Since going on Atkins, I've not been using Humalog at meals, because my total Carb intake is usually around 6g, which means an injection of 1-1.5 units is appropriate.

I've kept my Lantus to one injection of 45 units daily.

Should I be lowering my Lantus dosage and going back to meal bolus injections? or am I better off with the small variability I have using only Lantus?

Spot tests an hour and 2 hours before and after eating indicate changes of less than 10 in blood sugar most of the time.

If you're ranging between 80-120, why change anything? You're neither going too high nor too low to worry about.

I think I'm genetically predisposed to worry. Thanks for your feedback.

I think that maybe... just maybe you should worry about that but not until you bring your weight down, because you are probably going to need to lower that Lantus dose as you go, and any fine tuning you do now is going to have to be constantly re-tuned. This way, the only thing you'll have to adjust is the one dose in the morning, until you get to a stable lower weight at which point you will have the luxury of worrying about that fine tuning.

To some degree, it's a chicken and egg thing. Higher insulin dose, slower weight loss. Smaller dose, faster loss, but higher glucose.

I'm a bit surprised that even eating under 20 units of carbs a day requires 45 or so units of insulin to keep stable at a reasonable glucose level.

He's a type I

Link to interesting article explaining discovery of mechanism to convert fats to glucose:
http://blog.cholesterol-and-health....from-fatty.html

I am Type 1 or juevnile diabetic and I take the one unit at meals and 15 lantus at night.

I do have lows here and there and take a glucose tab for that.

I am a type 1 also. On Lantus and Novalog. My Mayo Clinic endro. wanted me to drop Lantus down to 25-30 and use the Novalog (quick acting) at meals. He'd like to see me off the Lantus. We are all different and I'm not giving medical advice as I've tried playing with it all.

After giving this issue some consideration, and reading Dr. Bernsteins latest book, I've decided to go back to Humalog doses with meals. They calculate out to be very small, usually less than 2 units. I'm doing this in the hopes of better control and keeping to my target of 90 within a tighter range of deviation.

I also hope that my Lantus dose can be lowered, and I can accelerate my weight loss.

I'm also looking for advice on restarting Metformin again after stopping (at the recommendation of my CDE) based on bg control issues and exercise a couple months ago. This was before I worked into a Low Carb diet, and had the tight control I have now. Any thoughts?

We all may, to some degree, not react the same to the various insulins. By the book what you were doing should not work all that well, but it did. You likely can get good results from your new regimen, but it may take some tinkering.

Nothing broke here, what are you trying to fix. You are nearly perfect.

Lot's broken, actually. Bernstein recommends a target of 83 for bg, and that's a tough one to reach, but is possible.

The problem is the three-fold goal of losing weight, reaching blood sugar targets, and getting a healthier metabolism.

The low carb eating approach seems like the best direction, and a loss of 7.4 lbs the first month with good blood sugar, and good health is a great start, but a slow one.

Also of concern is that I have a very long way to go, and I think that the amount of long acting Insulin in my system is slowing me down.

I've started taking small injections with meals to tighten control (.5 to 1.5 units of Humalog), and saw my fasting bg drop by 15-20 points over a few nights. I've started lowering my basal dose of Lantus to adjust to target. Seems to be working.

I also started on Metformin again to try and lower my insulin resistance. Hopefully I'll need less total daily insulin, and will shed the weight faster. With 60 + lbs to go, that's important to me.

Been back on Metformin for 11 days now, having started at 500m twice daily and now at 1000mg twice daily.

Need for Lantus has dropped from 35 units at night to 25 units, and may need to go lower. Weight is still dropping, slowly but surely.

Yes, Bernstein recommends that tight of a control, I get that, but I don't think you can be going for control that tight until after you have lost all the weight, and have adjusted to a permanent maintenance way of eating.