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Eleuthero explained: what it is and side effects

Eleuthero is Eleutherococcus senticosus, a plant also sold as Siberian or Russian ginseng. It comes from the Eleutherococcus genus, not the Panax plants of true ginseng. Five products we reviewed list eleuthero, but none of their labels prints its individual amount.

By HowNook's Health desk · Updated

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What it is
Plant
Amounts the NIH names
800 mg a day of root and rhizome in one study
In the products we reviewed
5, none prints the amount

What eleuthero is

  • Eleuthero comes from plants of the Eleutherococcus genus, which are not the Panax plants of true ginseng.1
  • Its Latin name is Eleutherococcus senticosus, and it is also sold as Siberian or Russian ginseng.2
  • Short-term use of Siberian ginseng appears to be safe.2

How much eleuthero each product gives

Per serving, as each label prints it, against the amounts the NIH names

NIH: 800 mg per dose

Amount not printed: the dashed line shows the most it can be, the whole blend

GlucoTonicNot printed · at most 200 mg
InsufendNot printed · at most 525 mg
Sugar DefenderNot printed · at most 200 mg
CellucareNot printed · at most 528 mg
Glyco HarmonyNot printed · at most 200 mg

Before you take it

Side effects

  • Some clinical trial reports have listed insomnia as a rare side effect.2

These statements have not been evaluated by the FDA. A supplement is not a medicine.

The 5 products we reviewed that list eleuthero

ProductForm and servingEleuthero per servingOur scorePrice a bottleBuy
GlucoTonic#1 in blood sugar supportLiquid drops1 mlNot printedIn a 200 mg proprietary blend9.9$49Check price
Insufend#2 in blood sugar supportCapsules1 capsuleNot printedIn a 525 mg proprietary blend9.6$49Check price
Sugar Defender#3 in blood sugar supportLiquid drops1 mlNot printedIn a 200 mg proprietary blend9.5$49Check price
Cellucare#4 in blood sugar supportCapsules1 capsuleNot printedIn a 528 mg proprietary blend9.4$49Check price
Glyco Harmony#5 in blood sugar supportLiquid drops1 mlNot printedIn a 200 mg proprietary blend9.3$49Check price
Prices checked Oct 5, 2026

Questions people ask

What is eleuthero?

Eleuthero is Eleutherococcus senticosus, also sold as Siberian or Russian ginseng. It comes from plants of the Eleutherococcus genus.

Is eleuthero the same as true ginseng?

No, eleuthero comes from the Eleutherococcus genus, not the Panax plants of true ginseng. Siberian ginseng and Russian ginseng are other names used to sell it.

Is eleuthero safe to take?

Short-term use of Siberian ginseng appears to be safe, according to the NIH. Some clinical trial reports have listed insomnia as a rare side effect.

What are the side effects of eleuthero?

Insomnia has been listed as a rare side effect in some clinical trial reports. The NIH says short-term use of Siberian ginseng appears to be safe.

Which supplements we reviewed contain eleuthero, and how much?

GlucoTonic, Insufend, Sugar Defender, Cellucare and Glyco Harmony list eleuthero, but none prints its individual amount. GlucoTonic, Sugar Defender and Glyco Harmony include it in a 200 mg proprietary blend, while Insufend lists a 525 mg blend and Cellucare a 528 mg blend. These are blend totals, not eleuthero doses.

Also in these products

All ingredients

Sources

The products, amounts and prices come from each product's label and checkout, as its review shows them. AI drafts our pages from listed sources, figures are checked against them, and we have not tried the products.

  1. 1NIH Office of Dietary Supplements, Dietary Supplements for Immune Function and Infectious Diseases, Fact Sheet for Health Professionalsods.od.nih.gov/factsheetschecked
  2. 2NIH Office of Dietary Supplements, Dietary Supplements for Exercise and Athletic Performance, Fact Sheet for Health Professionalsods.od.nih.gov/factsheetschecked