Why bother?  A little blue at the base of nails is not that
objectionable.

Marshall

Matthew McCann PE wrote:

> If someone were to notice incipient blueness at the baseof the
> fingernails, what should that person do? There areseveral
> possibilities. 1. Stop taking CS for a while.2. Reduce CS intake.3.
> Bind the ingested CS using methods described in a previous thread.4.
> Switch to an alternative element. In the latter case, the alternate
> might depend on theparticular health problem. Gold, zinc, copper,
> manganese,indium, etc., etc., are all possible candidates. Has anybody
> considered which alternates deservepriority? Best regards, Matthew