Researchers Highlight Natural Compounds That May Support Healthy Blood Sugar Levels
A growing body of nutritional science is exploring how certain botanical ingredients and minerals may help the body maintain normal glucose metabolism — here's what the studies say.
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What Nutritional Science Says About Blood Sugar Support
The peer-reviewed studies below explore ingredients that may help support healthy glucose metabolism and metabolic function. Individual results may vary.
Berberine
- A 2012 meta-analysis found that berberine may help support healthy fasting blood glucose and HbA1c levels in adults with blood sugar concerns. [PubMed 2012]
- A 2015 systematic review suggested berberine may support insulin sensitivity and lipid metabolism in individuals with metabolic challenges. [PubMed 2015]
- A 2008 clinical study observed that 3-month berberine supplementation was associated with improvements in postprandial glucose levels and pancreatic beta-cell function. [PubMed 2008]
Chromium Picolinate
- A meta-analysis of randomized controlled trials (2007) suggested chromium supplementation may support healthy glycemic control and insulin sensitivity. [PubMed 2007]
- A 2014 systematic review explored chromium's potential role in supporting insulin signaling and glucose uptake in peripheral tissues. [PubMed 2014]
- A 2006 clinical study found chromium picolinate was associated with improvements in fasting glucose and insulin sensitivity in overweight adults. [PubMed 2006]
Cinnamon Bark Extract
- A 2003 double-blind trial observed that cinnamon supplementation was associated with improvements in fasting blood glucose and lipid profiles in participants with blood sugar concerns. [PubMed 2003]
- A 2013 review examined how cinnamon's bioactive compounds may support glucose transporter activity and normal metabolic function. [PubMed 2013]
Bitter Melon (Momordica charantia)
- A 2011 clinical trial observed that bitter melon extract was associated with improvements in blood glucose levels in participants over 4 weeks. [PubMed 2011]
- A 2012 review explored how charantin and polypeptide-p — natural compounds found in bitter melon — may support healthy blood sugar levels. [PubMed 2012]
Alpha Lipoic Acid (ALA)
- A 2011 meta-analysis found ALA supplementation may be associated with improvements in insulin sensitivity and fasting glucose in adults with metabolic concerns. [PubMed 2011]
- A 2015 review explored ALA's antioxidant properties and its potential role in supporting metabolic health. [PubMed 2015]
- A 2012 clinical study observed that 8-week ALA supplementation was associated with improvements in HbA1c and insulin sensitivity. [PubMed 2012]
Gymnema Sylvestre
- A 2019 meta-analysis found Gymnema sylvestre was associated with notable blood glucose-supporting effects in clinical participants. [PubMed 2019]
- A 2013 review explored how gymnemic acids may support healthy sugar absorption in the intestine and normal pancreatic function. [PubMed 2013]
Magnesium & Zinc
- A 2016 meta-analysis found magnesium supplementation may be associated with improvements in fasting glucose and insulin sensitivity in adults at risk. [PubMed 2016]
- A 2013 review discussed the role of zinc in supporting normal insulin synthesis, storage, and secretion in pancreatic beta cells. [PubMed 2013]
- A 2017 clinical trial found that combined magnesium and zinc supplementation was associated with improvements in HbA1c and fasting glucose over 12 weeks. [PubMed 2017]
- A 2015 study noted that suboptimal magnesium and zinc levels are associated with increased metabolic risk. [PubMed 2015]
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References & Citations
- PubMed Central — studies on Berberine and blood glucose support
- National Institutes of Health (NIH) — studies on Chromium Picolinate
- Journal of Diabetes Research — randomized controlled trials on Cinnamon Bark Extract
- Journal of Ethnopharmacology — Bitter Melon (Momordica charantia) research
- Diabetes/Metabolism Research and Reviews — Alpha Lipoic Acid reviews
- Journal of Clinical Biochemistry and Nutrition — Gymnema Sylvestre studies
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