Disclosed is describes a method of increasing bone strength and/or increasing bone resistance to bending and/or improving bone architecture and/or maintaining bone status in a human, comprising administering to said human a composition comprising a fat source, wherein said fat source is a triglyceride fat source comprising triglycerides with 15-55% palmitic acid moieties out of the total fatty acids, and wherein the level of palmitic acid moieties at the sn-2 position of the glycerol backbone is at least 30% (w/w) of total palmitic acid. Said method is particularly intended for subjects at risk of impaired bone strength. Further disclosed is said fat source, as well as food articles and a commercial package comprising the same.