Frequently Asked Questions

Q: I see a lot of advertisements and grocery store displays promoting various tropical juices containing mangosteen, Acai and Goji berries, etc that claim to be high in antioxidants. Are these juices more powerful than OPC Factor since they are already mixed naturally?

A: No. I appreciated getting this question because these companies do spend tons of money making you think they are great for you. Even Dr. Dean Adell states that these are just high priced juices.

Not only are they NOT MORE powerful but they aren’t even AS powerful. And there are two reasons that they do not deliver results as good as OPC Factor.

The first reason is absorbability. While these products, which are many times blends of apple and grape juices, they contain fruits with high antioxidant profiles, they also contain other ingredients such as sugar that, along with the digestive acids in the stomach cancel out the good ingredients.

The second reason they aren’t as powerful is pretty easy to understand. Just look at the ingredients on the juice container and compare it to the ingredients on a box or packet of OPC Factor. There’s your answer! These juices just don’t contain the sheer volume of antioxidants, nutrients, vitamins, herbs, extracts, enzymes and minerals that OPC Factor does. They basically take one of their current juices, which are all high in sugar, and add the newest and hottest antioxidant trend so they can put it on the label.

Best regards,
Q: What are OPCs?

A: OPCs are natural compounds such as grape seed extract, pine bark, red wine extract, and lemon bioflavonoids. They are deemed safe and have excellent antioxidant capability to fight free radicals.

OPCs are Oligomeric Proanthocyanidins – a real tongue-twister.

Q: What are Free Radicals?


Free radicals are molecules that contain an unpaired electron and are highly unstable. To replace unpaired electrons they attack normal cells which, in turn, damages normal healthy cells that repeat the cycle. This creates oxidative stress and inflammation believed to be implicated in over 200 diseases.

Q: How is the Taste?


We believe it is the best-tasting full-spectrum antioxidant on the market since 1998. We have been on the cutting edge for over 25 years! Check out the testimonial page to see what our customers think.

Q: Does OPC Factor offer the best absorption?


Unlike pills or gummies, which must be dissolved, OPC Factor’s unique ISOTONIC EFFERESCENT DELIVERY SYSTEM – consisting of the same pH as blood and tears – provides essential nutrients that are rapidly and completely absorbed. Our absorption rate is as much as 97%.

What do OPCs do for me?

Below is a link to the National Center of Biotechnological Information, National Library of Medicine, and National Institute of Health website. It talks about the: Antioxidant Capacity of Oligomeric Proanthocyanidins (OPCs), Hypertension, Hyperlipidemia, Anti-Inflammatory Capacity, Antineoplastic and Prevention of Cancer Metastasis, Diabetes Mellitus, Immunity Enhancement, and Safety.

L, Cui J, Zhao Y, Zhang D, Zhou D, Wu J, Li B, Wang T, Li M, Yan M. Oligomeric Proanthocyanidins: An Updated Review of Their Natural Sources, Synthesis, and Potentials. Antioxidants (Basel). 2023 Apr 26;12(5):1004. doi: 10.3390/antiox12051004. PMID: 37237870; PMCID: PMC10215713.

Another preliminary study talks about Energy.

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