Exactly. Lr3 has a longer 1/2 life of about 24 hours and IMHO has a better chance to bind to receptor sites. DES has a short 1/2 life of about 30 minutes and is said to be much better for local growth. Both can lower the need for insulin so that has to be taken in consideration when combining the use of insulin with either. So yes it may be that you need to drink slightly more glucose. Speaking for myself, I never had any issues with insulin or glucose. But it does seem to help with glucose uptake, especially during workouts. The you get huge pumps in the muscle, thus further stimulating hypertrophy.