Try cafe con leche:
"Bone loss. Though some observational studies have linked caffeinated beverages to bone loss and fractures, human physiological studies have found only a slight reduction in calcium absorption and no effect on calcium excretion, suggesting the observations may reflect a diminished intake of milk-based beverages among coffee and tea drinkers.
"Dr. Robert Heaney of Creighton University says that caffeine’s negative effect on calcium can be offset by as little as one or two tablespoons of milk. He advised that coffee and tea drinkers who consume the currently recommended amount of calcium need not worry about caffeine’s effect on their bones."
"Dietary caffeine acutely increases urinary calcium loss (1), and these losses are not entirely compensated for in the 24 h after caffeine consumption (2). Overall, the evidence indicates that younger individuals can increase their calcium absorption to compensate for the urinary losses, whereas the elderly are less adaptable (3). It is not surprising that most cross-sectional studies of elderly populations showed no association of caffeine consumption with bone loss or bone mineral density because so many genetic and lifestyle factors are now known to affect bone health. Previous prospective studies of elderly populations yielded conflicting results regarding caffeine and bone loss. Although Cummings et al (4) included caffeine consumption among the risk factors for hip fracture, Lloyd et al (5) were unable to find any association of caffeine with bone loss in a 2-y prospective study of 112 postmenopausal women. Similarly, Hannan et al (6) did not find that caffeine (or calcium intake) was associated with bone loss in the Framingham study population.
"The interaction of caffeine intake with calcium on bone loss was reported by Harris and Dawson-Hughes (7). These investigators found that bone loss from the spine and total-body bone mineral density occurred only in postmenopausal women who had both low calcium intakes (440–744 mg/d) and high caffeine intakes (450–1120 mg/d). The following year, this same research team showed that response to calcium supplementation is influenced by vitamin D receptor gene (VDR) genotype (8), with the rate of loss at the femoral neck being reduced by calcium only in the BB VDR subgroup. In retrospect, it is probably not surprising that in this issue of the Journal Rapuri et al (9) report that caffeine's effect on bone loss is also associated with VDR genotype.
"The new findings of Rapuri et al (9) cause us to re-interpret the results of previously published studies. Rapuri et al found that caffeine intakes of >300 mg/d were associated with bone loss in 96 women in a 3-y prospective study. Caffeine, however, was only associated with increased bone loss in women with the tt VDR genotype. This subgroup contained only 5 of the 33 women (15%) with higher caffeine intakes. Bone loss in this subgroup exceeded 3%/y at all 5 sites examined (spine, femoral neck, trochanter, total body, and total femur), although significantly so at only 3 sites, probably because of the low number of subjects in the group. In the total group, only 11 of the 96 women had the tt VDR genotype, and 6 of these 11 were apparently protected by their lower intake of caffeine. Unfortunately, the sample size was too small to test the interaction of dietary calcium with caffeine and genotype. The low incidence of the susceptible genotype helps to explain the lack of association seen in several previous prospective studies. Only 5 of the 96 women had significant bone loss with higher caffeine intakes, and this small percentage would not be detectable in studies not considering genotype."