Hi E.,
I actually have hypoglycemia as well. I didn't get it until I was in college, so I didn't have to deal with it while I was in high school, but I can give you some ideas for healthy snacks that I've found helpful. First of all, the most important thing is protein. As much as I love fruit, it doesn't do me a bit of good...it spikes the blood sugar (noticing how I felt loopy after I ate an apple actually tipped me off that something was going on with my sugar levels). If she is going to eat fruit, try to pair it with natural peanut butter (much less sugar than say, Jif) or cheese. Here are the staples in my diet:
-- eggs (two every morning with vegetables or cheese and maybe a whole wheat english muffin)
-- cheese (string cheese is great. good portion control and low fat)
-- nuts (portion control is important here because there's a lot of fat in nuts)
-- hummus (wonderful with carrots, celery and other raw veggies...low sugar content, high protein)
- lowfat cottage cheese (low fat and sugar, high protein...it'll keep her full for a while)
-- natural peanut butter (organic's even better...she can have a whole wheat english muffin with some peanut butter on it for a mid-morning snack)
-- protein shakes (I like the Kashi Go Lean chocolate. It's high in protein, low in sugar and super filling. You can find it at Whole Foods. As long as she doesn't have a problem with soy, it'll be a good snack for her. You can also mix some in with sugar-free pudding for a good chocolately snack.)
-- low fat meats like chicken and tuna (great as a salad or on a salad for lunch or a mid-day snack)
The MOST important thing is that she eats frequently and she stays away from simple sugars like cookies, cakes and carbs like white bread and pasta. All of these things will just spike her sugar and will also put on the pounds.
Have her eat something every couple of hours and make sure it's the RIGHT things. If she's eating lowfat, low-sugar snacks and small meals, she shouldn't have a problem with her weight and she'll be satisfied all day long so she won't have those cranky times. Have her keep a protein bar in her purse for when she's out and about and she gets hungry. I like Balance Bars but just look at the sugar content and make sure it's not too high. The lower the sugar, the worse they taste, so you'll have to allow for some sugar content.
Good luck! If you have any questions, feel free to send me an email.
Take care!
Hilary