ConsumerLab.com uses JavaScript to provide the best possible experience for our content, but your browser has it disabled. Learn how to enable it here.

Reviews & Articles

Membership & Subscription

About ConsumerLab.com

About Testing

News

  1. Home
  2. / Clinical Updates

Clinical Updates

Search
Acai Berry (1)
Acetyl-L-Carnitine Supplements (11)
Alginate Supplements (For Reflux) (4)
Aloe Juices, Gels, and Supplements (2)
Alpha-Lipoic Acid Supplements (10)
Apple Cider Vinegar (12)
Ashwagandha Supplements (34)
Astaxanthin Supplements (5)
Avocado Oil (5)
B Vitamin Supplements (181)
Berberine Supplements (11)
Bone Broth (2)
Calcium Supplements (46)
Cancer Prevention (1)
CBD & Hemp Extract Supplements (60)
Chia Seed (3)
Cholesterol-Lowering Supplements (Sterols/Stanols and Policosanol) (12)
Choline Supplements (20)
Chromium Supplements (1)
Cinnamon Supplements and Spices (23)
CLA Supplements (2)
Cocoa Powders, Dark Chocolate, Extracts, Nibs & Supplements (64)
Coconut and MCT Oils (14)
Coconut Waters (2)
Collagen Supplements (41)
CoQ10 and Ubiquinol Supplements (47)
Cranberry Juices and Supplements (19)
Digestive Enzymes (10)
D-Mannose Supplements (3)
Echinacea Supplements (3)
Elderberry Supplements (5)
Electrolytes (3)
Essential Oils (6)
Evening Primrose & Flaxseed (ALA/GLA) (11)
Extra Virgin Olive Oil (41)
Fish Oil /Omega-3 Fatty Acid Supplements (246)
Flaxseed (9)
Fruits, Veggies, and Other Greens Supplements (15)
GABA Supplements (3)
Garcinia Cambogia (HCA) Supplements (6)
Garlic Supplements (12)
Ginger Supplements (18)
Ginkgo Supplements (8)
Ginseng Supplements (10)
Gluten-Free Grains (1)
Green Coffee Bean Extract Supplements (2)
Green Tea Supplements and Drinks (63)
HGH - human growth hormone (1)
Hoodia Supplements (1)
Huperzine A Supplements (2)
Inactive Ingredients (11)
Iron Supplements (44)
Joint Health for Animals (12)
Joint Health Supplements (25)
Kelp (Supplements) (4)
Lactose Intolerance Products (1)
L-Arginine Supplements (23)
L-Citrulline Supplements (2)
Lion's Mane and Chaga Mushroom Supplements (9)
Low-Dose Lithium Supplements (6)
L-Theanine Supplements (9)
L-tryptophan and 5-Hydroxy-L-tryptophan (5-HTP) (4)
Lycopene Supplements (7)
Lysine Supplements (1)
Maca Supplements (2)
Magnesium Supplements (66)
Melatonin Supplements (82)
Menopause Supplements (21)
Milk Thistle Supplements (4)
Multivitamin and Multimineral Supplements (37)
Muscle & Workout Supplements (Creatine and BCAAs) (34)
NAC (N-Acetyl Cysteine) Supplements (24)
NAD Boosters (NAD+/NADH, Nicotinamide Riboside, and NMN) (17)
Nutrition Bars (4)
Oats (Rolled and Steel-Cut) Review (15)
Olive Leaf Extract (1)
Phosphatidylserine Supplements (2)
Plant Based Milks (11)
Pomegranate Juice and Supplements (1)
Potassium Iodide/Iodate (Radioprotective Agents) (1)
Potassium Supplements (18)
PQQ (Pyrroloquinoline Quinone) (2)
Prebiotics (11)
Probiotics (145)
Prostate Supplements (Saw Palmetto and Beta-Sitosterol) (12)
Protein Powders (81)
Psyllium Fiber Supplements (14)
Quercetin & Rutin Supplements (14)
Red Yeast Rice Supplements (26)
Reishi Mushroom Supplements (10)
Resveratrol (Red Wine, Knotweed and Other Sources) (18)
Saffron Supplements (4)
SAMe Supplements (6)
Seaweed Snacks and Foods (3)
Selenium Supplements (13)
Sexual Enhancers (4)
Shelled Walnuts (Halves & Pieces) (2)
St. John's Wort Supplements (5)
Taurine Supplements (1)
Tuna, Salmon & Sardines (29)
Turmeric and Curcumin Supplements and Spices (113)
Valerian Supplements (5)
Vision Supplements with Lutein, Zeaxanthin & AREDS2 Formulas (28)
Vitamin A Supplements (9)
Vitamin C (43)
Vitamin D Supplements (322)
Vitamin E Supplements (23)
Vitamin K Supplements (18)
Water Filter Pitchers (29)
Weight Loss Supplements (7-Keto DHEA, Forskolin and Stimulant Blend Supplements) (3)
Wellbutrin vs. Generic Bupropion (2)
Zinc Supplements, Lozenges, and Melts Review (26)
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011

Cinnamon Supplements and Spices

Try Taking Cinnamon This Way

November 04, 2024
Favorited Not Favorited

A recent study suggested that taking cinnamon as a powder may be better for controlling blood sugar than taking it as a capsule. For details, see our Cinnamon Supplements and Spices Review, which includes our Top Picks among cinnamon supplements and spices.

Also be aware that the FDA recently reported high levels of lead in yet another cinnamon powder.

Lead in Cinnamon

September 12, 2024
Favorited Not Favorited
Elevated levels of lead, a toxin, were recently reported in a dozen cinnamon spices by Consumer Reports. Products with lower lead levels were considered “Best to Use,” two of which were earlier selected as Top Picks by ConsumerLab (which additionally tested products for the toxin coumarin). For details, see the Quality Concerns section of our Cinnamon Supplements & Spices Review, which includes our Top Picks.

More Cinnamon Recalled Due to Lead

September 03, 2024
Favorited Not Favorited
Another brand of cinnamon has been recalled due to lead contamination. Get the details in the Quality Concerns section of our Cinnamon Supplements and Spices Review, which includes our Top Picks among cinnamon supplements and spices (which were tested for lead and other contaminants).

More Cinnamon Recalled

August 05, 2024
Favorited Not Favorited
More cinnamon products are being recalled due to the potential risk of lead contamination. Get the details in the Quality Concerns section of our Cinnamon Review, and see our Top Picks among cinnamon supplements and spices (which we tested for lead and other toxins.)

More Cinnamon Recalled Due to Lead

July 29, 2024
Favorited Not Favorited
Three brands of cinnamon are being recalled due to risk of lead contamination, adding to a growing list of affected products. Get the details in the Quality Concerns section of our Cinnamon Review, and see our Top Picks among cinnamon supplements and spices (which we tested for lead and other toxins.)

Lead in Cinnamon

July 25, 2024
Favorited Not Favorited
Another brand of cinnamon has been found to be contaminated with very high levels of lead. Get the details in the Quality Concerns section of our Cinnamon Review, and see our Top Picks among cinnamon supplements and spices (which we tested for lead as well as other toxic heavy metals and potential contaminants.)

RoundUp in Cinnamon

May 07, 2024
Favorited Not Favorited
A recent study found glyphosate (RoundUp) in some popular brands of cinnamon. Is this a health concern? Get the brand-specific details in the Quality Concerns section of our Cinnamon Supplements & Spices Review. Also see our Top Pick among cinnamon spices and supplements.

Cinnamon Recall

April 11, 2024
Favorited Not Favorited
Another brand of cinnamon has been recalled for elevated levels of lead. Get the details in the Quality Concerns section of our Cinnamon Supplements and Spices Review, which also identifies our Top Picks for ground cinnamon to avoid toxins.

Cinnamon & Blood Sugar

March 15, 2024
Favorited Not Favorited
Did supplementing with cinnamon lower blood sugar in men and women with prediabetes? See what a recent study found in our Cinnamon Supplements and Spices Review.

Be aware that lead contamination was recently reported in several brands of cinnamon, as discussed in our Review, which also includes our Top Picks for ground cinnamon to avoid lead and other toxins.

Lead In Cinnamon

March 08, 2024
Favorited Not Favorited
Elevated levels of lead were found in ground cinnamon from several brands and should be avoided. For details, see our Cinnamon Review, which also identifies our Top Picks for ground cinnamon to avoid toxins.

Lead in Cinnamon Applesauce

December 12, 2023
Favorited Not Favorited
Enormous amounts of lead have been found in cinnamon applesauce pouches. The cinnamon appears to be the source of the lead. Get the details in our Cinnamon Review, which includes our Top Picks among cinnamon supplements and spices (which were tested for lead).

Cinnamon for Lowering Blood Sugar?

May 02, 2023
Favorited Not Favorited

Did taking capsules of true (Ceylon) cinnamon reduce fasting blood sugar or HbA1c in people with type 2 diabetes? See what a new study found in the What It Does section of our Cinnamon Supplements Review, which includes our Top Picks among cinnamon supplements and spices.

Cinnamon & Bleeding Risk

July 06, 2022
Favorited Not Favorited

Regularly consuming large amounts of cinnamon may increase the risk of bleeding after surgery, as was recently reported. Get the details in the Concerns and Cautions section of our Cinnamon Supplements Review.

Cinnamon for Lowering Blood Sugar?

April 22, 2022
Favorited Not Favorited

Does taking cinnamon powder or extract help control blood sugar levels in people with prediabetes or type 2 diabetes? See what the latest study, and earlier studies, have found in the Blood sugar, type 2 diabetes and prediabetes of our Cinnamon Supplements Review.

Also see: Which supplements and foods can help lower or control my blood sugar?

Vietnamese Cinnamon Concern

August 13, 2021
Favorited Not Favorited
Our tests of cinnamon found higher concentrations of the toxin coumarin in Vietnamese cinnamon. A similar finding was recently reported. Learn more in our Cinnamon Supplements & Spices Review – and see how products compared in our tests.

Cinnamon for Prediabetes?

July 20, 2020
Favorited Not Favorited
Does taking a daily cinnamon supplement help control blood sugar in people with pre-diabetes? See the results of a recent study in the What It Does section of the Cinnamon Supplements & Spices Review. Also see our Top Picks among cinnamon supplements and among cinnamon spices.

Cinnamon for Arthritis

May 04, 2018
Favorited Not Favorited
Taking cinnamon as a supplement was found to decrease symptoms of rheumatoid arthritis in a recent study. Get the details and learn what else cinnamon can do (particularly regarding blood sugar) in the What It Does section of the Cinnamon Supplements & Spices Review. (Also see our test results for popular cinnamon supplements).

Cinnamon to Lower Blood Sugar?

November 04, 2016
Favorited Not Favorited
A study in people with elevated blood sugar levels found that a particular cinnamon extract (which CL has tested) modestly lowered blood sugar levels. The way the data was analyzed, however, appears flawed in our opinion. Get the details in the "What It Does" section of Cinnamon Supplements and Spices Review >>