We use 99.95% C60 solvent free/ Vacuum oven dried product in our CarbonShield Oils. There’s an article available (The prolongation of the lifespan of rats by repeated oral administration of [60]fullerene – ScienceDirect) that suggest Carbon 60 (c60 or buckyballs) dissolved in extra virgin olive oil works for anti-aging. The reports indicate it was successfully tested on rats and the rats that received the treatment lived twice as long as rats without the treatment.
The Head Researcher in the Baati study even said that Carbon60 was safe at high levels over long periods of time -
https://www.ncbi.nlm.nih.gov/pubmed/22498298