I understand what you are trying to do but I strongly suggest that you not try to re-invent the wheel.
I honestly did over 6 months of research comparing the then available sugar glider feeding plans to try to get a grip on the nutrient content of those diets.
I felt BML had too much calcium - requiring a restriction to high phosphorus mixed vegetables to provide balance. It was also very high in protein and the baby cereal in the recipe brought too much Iron to the mixture.
Original HPW has about a 0.96:1 ratio and everyone at the time was frantically trying to offer fruits and vegetables that would boost the overall calcium of the feeding - which was almost impossible to do because most fruits and vegetables - with a few exceptions - are very close to a 1:1 ratio.
as for the cost of making a staple using Wombaroo High Protein Supplement - even though you may spend what seems like a lot to purchase the WHPS - keep in mind that you will be using that purchase for MANY batches of the staple you choose. a 250 gram box of WHPS makes 9 batches of HPW using 1/4 cup per batch. My Glider Kids recipes use 1/2 cup per batch but the recipe makes 120 servings of the staple (2 teaspoons per glider each night)
A 250 gram box of Wombaroo High Protein Supplement is $17.95 + S&H here:
http://www.thepamperedglider.com/supplements.htm
I purchase bee pollen and raw honey from a local organic grocery store. Raw honey is fine as long as it does not contain the honey comb. I feel these are fresher products than the bee pollen you could order on line or honey sold in grocery stores(which is often ultra filtered and looses the natural bee pollen honey contains)
Calcium is not your only concern in creating a balanced staple for your glider. I created a spread sheet to do the calculations for protein, calcium, phosphorus, sugar, fat, fiber and iron in all of the ingredients used for the staple so I could write a recipe that had values mid range between BML and HPW.
Gliders do not need a lot of protein. Too much protein will increase the odor of the glider's urine and long term can be very hard on their liver and other organs.
As for adding calcium supplement - sprinkling is a guaranteed way to OVERDOSE your glider. Even the large dosage in the BML recipe - 2 teaspoons is divided into a month's worth of food for 2 gliders - 60 portions. It is almost impossible to 'sprinkle' 1/30th of a teaspoon of calcium supplement. Any more than that would be an overdose.
Vitakraft pellets may be sold in pet stores specifically for sugar gliders but it is loaded with FILLERS and will not meet your glider's nutritional needs long term.