Ask Dr Libby

Marlborough Express - The Saturday Express, Marlborough - - GARDENING -

Email your ques­tions for Dr Libby to askdr­libby@fair­fax­me­ Please note, only a se­lec­tion of ques­tions can be an­swered. feeds into particular bio­chem­i­cal path­ways. Vi­ta­min B12 and folate rely on each other, for ex­am­ple, so a health pro­fes­sional ex­pe­ri­enced in pre-con­cep­tion care is best to guide you with what is right for you.


If a nu­tri­ent is not in the soil, it can­not be in the food. Un­for­tu­nately, New Zealand soils do not contain io­dine so lo­cally grown pro­duce re­flects this, and stud­ies have shown ev­i­dence of io­dine de­fi­ciency re-emerg­ing in New Zealand. Io­dine is es­sen­tial for the pro­duc­tion of thy­roid hor­mones, which con­trol the ba­sic ac­tiv­ity of each cell in the body, in­clud­ing me­tab­o­lism, growth and de­vel­op­ment.

Thy­roid is­sues can af­fect fer­til­ity, so op­ti­mal io­dine in­take


A few nu­tri­ents are very im­por­tant if you are plan­ning a preg­nancy.

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