Chances are many of you who are reading this are taking some type of herbal supplement. Be it ginseng for better energy, saw palmetto for prostate health or echinacea to improve immunity, many are turning to natural remedies for their health.

It is important to know that herbal supplements are not regulated by the Food and Drug Administration (FDA). As with any medication, herbal remedies may have side effects. To be safe, talk to your doctor before starting an herbal treatment.

Dear Dietitian is committed to educating consumers on scientifically-based nutrition. The table below lists particular herbal remedies and the results of scientific research as far as their effectiveness:

Herbal Remedy

Scientific Evidence

Claim: Lowers blood sugar to help treat diabetes or pre-diabetes.

Scientific evidence: No significant change in blood sugar levels.

Green tea

Claim: Anti-cancer effects.

Scientific evidence: Research does not support claim.

Milk thistle

Claim: Treats liver diseases such as hepatitis and cirrhosis.

Scientific evidence: Mixed results; may ease symptoms of liver disease. Other studies show it did not improve liver function.

Turmeric (curcumin)

Claim: Treatment of digestive diseases.

Scientific evidence: Positive results in treating Crohn’s disease and ulcerative colitis.

Echinacea

Claim: Stimulates immune system.

Scientific evidence: Studies support claim.

Ginseng

Claim: Boosts energy levels.

Scientific evidence: Positive results in people with chronic illnesses.

Kombucha Tea

Claim: Prevents constipation.

Scientific evidence: Insufficient studies.

Zinc

Claim: Reduces duration of common cold; lessens severity of symptoms of common cold.

Scientific evidence: Research supports claims.

Saw Palmetto

Claim: Enlarged prostate; urinary tract infections in men with enlarged prostate.

Scientific evidence: Research does not support claims.

St. John’s wort

Claim: Treatment of depression.

Scientific evidence: Not consistently effective in treating depression.

Disclaimer: Dear Dietitian does not endorse any product or diet plan.

Good health to you.

Dear Dietitian

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Leanne McCrate, RD, LD, CNSC, is an award-winning Registered Dietician based in Missouri. Do you have a nutrition question? Email her at deardietitian411@gmail.com.