ask our dietitian your question todayeat your fruits and veggies


Is it okay if I only eat veggies and fruit and nothing else? – Ramlo


Yes, but only for short periods of time (e.g. several days), but not more than about 2 weeks. Eating only fruits and vegetables just can’t give you enough of the vitamins, minerals and energy you need to thrive since they are so dilute and fibrous. A diet exclusively of fruit and vegetables would equate to 5 to 10 pounds  per day (2# for dried fruit, 20# for only veggies) to meet energy needs yet be devoid of omega-3 fat, zinc and vitamin B-12 just to name a few.

Is it possible for me to eat too many vegetables?

You’d be on a better path if corn, potatoes, olives, avocados and coconuts are among your produce as these are rich sources of complex carbohydrate and fats. But still you’ll need a substantial amount of other foods to get adequate B-vitamins, protein and minerals that your body requires on a regular basis.

How much produce is too much, if I am trying to gain weight?

Now, if you count all types of edible plant matter including tubers, fungi, grains, nuts, seeds and legumes, then adding these to your fruits and vegetables for an all-plant diet it is okay. Vegan diets can be nutritionally adequate if planned well. Hey, even algae (seaweed) and cyanobacteria (spirulina) can join your plate – why not? They’re green and not technically animals.

– Debbie J., MS, RD

Do you have a question about your diet or nutrition? Ask our dietitian by submitting your question to or simply ask it in the COMMENTS section below.

To learn how to follow the “Ask Our Dietitian” Q&A CLICK HERE!

Debbie James is a registered dietitian. Any views or opinions presented in this article are solely those of the author and do not necessarily represent the opinions or recommendations of Fitness International, LLC.



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