Is it less effective to take vitamin C with juice?

No. It is perfectly fine to take vitamin c with juice. There is a limit to how much vitamin c one can absorb at one time, so it is more effective to take small amounts frequently than large amounts less frequently. See http://ods.Od.Nih.Gov/factsheets/vitaminc-healthprofessional/ for more information.
No. Plenty of vitamin c in the juice.That is the "better quality vitamin c". This is because each vitamin existing in the fruits , vegetables, whole egg, meat, ...In several isomers(same chemical formula but different spacial appearances).In that "natural" state they are much more potent and safe.It is very hard and expensive to produce all those isomers synthetically.

Related Questions

Is it advised against to take 1 packet of vitamin C emergenc. 1000 mg/day? I don't drink any juice, soda, etc. Just water and wanted to add that 1xday?

Not needed. You can take it with little likelihood it will harm anything. If you take multivitamins then you should be OK. It is not going to prevent a cold as far as we know scientifically. The hydration part helps the most. I would suggest to start drinking juice to help your system. Read more...

When I have orange juice (for glowing skin) or anything sour-ish I develop acidity. Any alternatives? I take vitamin C tablets daily. Will that suffice

"Glowing skin" . Is evidence of overall health and orange juice without the fiber is not the same as eating the orange. Taking vitamin c on its own is not good because all the vitamins work as a a team and does not "take you off the hook" of eating an appropriate diet of natural food. Read more...

Please can I get some advice?! ever since I was a child, orange juice is like aaddiction. Is to much vitamin C unhealthy?

Toxicity. Vitamin c is difficult to overdo by just eating or drinking foods that are high in vitamin c. Generally, toxic levels approach with intentional or accidental overdose of vitamin c supplements. Some symptoms of toxicity can include diarrhea, abdominal bloating and rarely cardiac arrhythmia. Read more...

I am taking pnvitamins & I was wondering if I have too much vitamin C can that affect my husband & I ttc? I love orange juice which has a lot of vc.

Safe. You can very safely take 1 g of vitamin c daily. Many people take several times that dose safely. The worse thing too much oral vitamin c may do to you is loosen your stools. Read more...

I'm feeling a little sick, I heard orange juice can help prevent a cold But I am on birth control, will the vitamin C affect it?

Birth Control Pill. I admire you for your concern for Health. Trust healing powers of your body, it sure will take care of “Feeling little sick” Orange juice does not prevent cold. Taking vitamin C supplements regularly produces reduction in the duration of a cold by 1 day. Vitamin C can cause a rise in estrogen levels, Oral estrogens can also decrease the effects of vitamin C in the body. See a Gynecologist. Read more...