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All About Antioxidants: Q&A with the Herbalist (Antiox Part 2)

Posted by Stephany Morgan

If you have questions about the health benefits of antioxidants you’ve come to the right place. Welcome to the second part in my series all about antioxidants!

Antioxidants have long been touted as powerfully healthy compounds, yet the specifics remain unclear.

Studies that look at the effects of tocopherols, beta carotene and vitamin C (antioxidants) have often found little difference between the antioxidant intervention, and the placebo. But that isn’t the whole story.


Welcome to Part 2 of our Antioxidants series! This ever-expanding collection of posts sheds some scientifically-robust light on antioxidants and antioxidants in tea in particular. 


Antioxidant Rich Diet Raspberries Blueberries Smoothie


These look at the effects of isolated antioxidants, or in some cases, combination supplements (that are still isolated, just combined in a capsule). While this is a great way to control for variables, it doesn’t give you a real world picture.

We understand that the action of antioxidants prevents free radical damage, and have observed that those who eat a diet rich in antioxidants have fewer incidents of disease. Whether it is from other phytochemicals in the foods being eaten, teas being enjoyed, etc., or from their antioxidant content, perhaps the need to differentiate that is moot.

Recall that the term “antioxidant” is not referring to a specific component, but rather indicates a chemical property that the constituent has. For example, quercetin, is an anti-inflammatory flavonoid that has antioxidant action and is found in herbs such as Tulsi and Rooibos.


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Antioxidant Q & A’s:

How do Antioxidants work?
Antioxidants act to neutralize free radicals, and prevent damage caused by them. Read the details here, in Part 1 of our antioxidant series


What are ORAC levels?
ORAC stands for Oxygen Radical Absorbance Capacity and is a scale to gauge antioxidant units. The higher the ORAC values, the higher the antioxidant level. These numerically quantify the antioxidant capacity of the compounds in a given substance. Instead of telling us how much beta carotene, or quercetin is in the substance, a test is conducted to see how many free radicals the whole food substance can neutralize. 

This provides a more natural approach because it looks at the plant as a whole, rather than isolating individual parts. It also makes it easier to compare apples to oranges, literally! Or lemons perhaps. ;-) 


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Can antioxidants lower cholesterol? Can they help with cardiovascular disease?

According to the Mayo Clinic, antioxidants are thought to have cardio-protective action, partly due to their ability to lower “bad” (LDL) cholesterol. Clinical trials have shown mixed results.

The Cleveland clinic looked at the results of several studies and concluded that the isolated antioxidants either had little to no benefit or potentially caused harm, however they then stated that consuming antioxidant rich food sources is different.

These contain other nutrients (with antioxidant action) that are not found in vitamin supplements, and are still linked to reduced cardiovascular disease (which includes cholesterol-related ailments). So, enjoy that tea!


Matcha Latte Matcha Alternatives


Can they lower blood sugar?

There are about 800 plants (that we know of) that may have anti-diabetic potential (according to ethnobotanical reports). Herbs such as cinnamon, and adaptogenic herbs such as Tulsi  have blood-sugar regulating action. Flavonoids, which have powerful antioxidant action are also known to have hypoglycemic action.

Chamomile, tulsi, rooibos, and green tea all contain flavonoids, and purple tea is especially rich in Polyphenols - a class which includes flavonoids, which may account for their varying hypoglycemic actions.


Cinnamon Cookie Tea


Can antioxidants cause miscarriage?
Miscarriage appears to be associated with oxidative stress, so eating foods containing antioxidants can actually reduce the chances of miscarriage. I would caution against things that are extremely high in polyphenols during the third trimester, as consuming large amounts is associated with arterial birth defects. Eating a balanced diet and choosing teas that are safe for pregnancy is fine and will support the health of both mom and baby.


Are antioxidant vitamins good for you?
No, at least not based on clinical trial findings. Antioxidant vitamin supplements are often synthetic, and isolated, meaning they lack the synergy of other nutrients. Synergistic nutrients include buffers that can prevent unwanted side effects. Taking supplements to make up for a diet lacking in whole-food sources of antioxidants can become problematic.


Antioxidant Supplements Matcha Alternatives


Can antioxidants aid weight loss?
This requires a more… round-about answer. Recall that whole food sources of antioxidants are best. The short answer would be yes, they can. But not if you buy a bottle of antioxidant supplements and carry on with the same lifestyle.

A diet high in antioxidant-rich foods equals a diet flush with healthy fruits and vegetables. When eating a balanced diet, watching portion control, and getting sufficient amounts of exercise, weight loss becomes easier.

Furthermore, many botanical foods are high in fiber and nutrients, but low in calories, meaning you feel full sooner and longer, and your body receives the nutrients it needs without having to over-eat. Finally, many herbs and teas have appetite-suppressing properties, which will also aid in weight loss.


Can antioxidants be harmful or cause disease?

Good news! When getting antioxidants in levels naturally occurring in plants, no. The only trials that have associated potential harm with antioxidants looked at isolated compounds (usually in large amounts).

Example: consuming a cup of coffee is not harmful, whereas taking caffeine pills is associated with much higher risk. Rest assured: consuming antioxidants in their natural, balanced states found in foods is safe, and is associated with a myriad of health benefits.


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Stephany Morgan

A Note From The Herbalist...

Antioxidants are a critical part of a healthy diet. It is my firm belief - based on years of study in biology and physiology - that our bodies never do anything wrong. Every uncomfortable symptom is simply a result of our incredible body doing its best to correct problems and get back to center.

I incorporate antioxidants via teas and whole plant-based foods into my daily diet as a way to help give my body fighting tools and “reinforcements” to help it maintain optimal health! Not only are they healthy, but they are also delicious and I look forward to my tasty, antioxidant-rich “treats” every morning!

Where to start? Well, here is one of my favorite antioxidant-rich teas The 'Purist' Rare Purple Tea - can't go wrong with this!


Questions? Thoughts? Let me know in the comments below or on our IG @MatchaAlternatives


The Purist Rare Purple Tea


'The Purist' Rare Purple Tea

From Kenya, like a green tea but with 1.5x more antioxidants

$10 for 1oz 

Read more:

Explore our Tea Science & Lifestyle blog | Subscribe to the MA Blog to save 15%!



All of the information regarding the herbs, botanicals, minerals, vitamins, etc., is information drawn from traditional use data or academic research and should be regarded as such. If you, the reader, has a health or medical concern, please consult your healthcare professional. The information found here is not meant to diagnose, treat, prescribe or cure and has not been evaluated by the FDA. This information is for educational purposes only. 


Antioxidants References and Further Reading

Morgan, S. What Are Antioxidants and How Do They Work? Part 1. The MA Blog. 

Erickson, L. Rooibos Tea: Research into Antioxidant and Antimutagenic Properties, HerbalGram. 2003; 59:34-45 American Botanical Council, accessed 17 August 2019.

Harvard School of Publich Health, Antioxidants: Beyond the Hype Harvard TH Chan School of Public Health, accessed 17 August 2019.

Heine, S. What Does ORAC Mean? Simplify Holistic Nutrition, accessed 17 August 2019. 

Reinagel, M. What Are ORAC Values? Nutrition Diva by Quick & Dirty Tips, Scientific American, 2013, accessed 17 August 2019. 

Anand David AV, Arulmoli R, Parasuraman S. Overviews of Biological Importance of Quercetin: A Bioactive Flavonoid. Pharmacogn Rev. 2016;10(20):84–89. doi:10.4103/0973-7847.194044, accessed 17 August 2019. 

Bauer, B. Can drinking pomegranate juice help lower my cholesterol? Mayo Clinic, Nov. 09, 2017, accessed 17 August 2019.

Switi B. Gaikwad, G. Krishna Mohan and M. Sandhya Rani, Phytochemicals for Diabetes Management, Pharmaceutical Crops, 2014, 5, (Suppl 1: M2) 11-28, accessed 17 August 2019.

Udayakumar R, Kasthurirengan S, Mariashibu TS, et al. Hypoglycaemic and hypolipidaemic effects of Withania somnifera root and leaf extracts on alloxan-induced diabetic rats. Int J Mol Sci. 2009;10(5):2367–2382. Published 2009 May 20. doi:10.3390/ijms10052367, accessed 17 August 2019.

Srivastava JK, Shankar E, Gupta S. Chamomile: A herbal medicine of the past with bright future. Mol Med Rep. 2010;3(6):895–901. doi:10.3892/mmr.2010.377, accessed 17 August 2019.

Chacko SM, Thambi PT, Kuttan R, Nishigaki I. Beneficial effects of green tea: a literature review. Chin Med. 2010;5:13. Published 2010 Apr 6. doi:10.1186/1749-8546-5-13, accessed 17 August 2019.

PurpleTea. What Are Polyphenols And How Can It Help You? Purple Tea Benefits, Purple Tea, 2019, , accessed 17 August 2019.

Jenkins C, Wilson R, Roberts J, Miller H, McKillop JH, Walker JJ. Antioxidants: their role in pregnancy and miscarriage. Antioxid Redox Signal. 2000 Fall;2(3):623-8, accessed 17 August 2019.

Purpose Tea. PURPLE TEA: Delicious and has more antioxidants than black or green tea, Purpose Tea, 2018, accessed 17 August 2019.

J. Perinatol, Zielinsky, P., et al. Dr. Pack's Summary #322 "Maternal Consumption of Polyphenol-Rich Foods in Late Pregnancy and Fetal Ductus Arteriosus Flow Dynamics." Polyphenols in Pregnancy and Fetal Ductus Arteriosus. 2009 Jul 30. (Epub ahead of print.) Fetal Cardiology Unit, IC/FUC, Porto Alegre, Brazil, accessed 17 August 2019.

NDTV Food Desk, Tulsi Leaves For Diabetes: How To Use Holy Basil To Manage Blood Sugar Levels. NDTV, September 21, 2018, accessed 17 August 2019.

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