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Astragalus and Blood Sugar: Traditional Use vs Modern Evidence
Astragalus blood sugar claims run ahead of the proof. Astragalus root is sixth on the Sugar Defender label, so one mL holds at most 33 mg of it. A 2024 review of mostly low-quality studies hinted at a possible extra drop in glucose readings alongside metformin, but reliable evidence for any condition is missing.
Written by the Sugar Defender label deskUpdated · 4 min read
On the label01
Where is astragalus in Sugar Defender?
Astragalus root is the sixth of 22 lines in the 200 mg proprietary herbal blend, so it ranks above green tea and gymnema by weight.
The label does not print its amount. An even split of the blend gives about 9 mg per mL. Because the list runs from most to least, the sixth line holds at most 200 divided by 6, or 33 mg.
It also does not say whether "astragalus root" means ground root or a concentrated extract. That matters, because a strong extract and plain powder are very different doses.
The research02
Does astragalus root help blood sugar?
Nobody can say yet. Memorial Sloan Kettering finds no reliable evidence that astragalus helps any health condition (NCCIH, Astragalus).
The closest lead is a 2024 review. It pooled mostly low-quality studies and suggested a possible extra drop in glucose readings when astragalus was added to metformin. That is a hint about a combination, not proof about the root alone.
No study tested astragalus at 33 mg or less inside a mixed drop. So the benefits of the root, as sold in this bottle, remain unmeasured.
Sales page03
What does the sales page say about astragalus?
Nothing. The sales page names eight ingredients with a one-line promise each, and astragalus is not among them.
That silence is useful. The eight lines it does print show how far the copy can drift from the studies, and astragalus gets none of that support.
Sugar Defender: from $49 a bottle60 mL · 2, 3 or 6 bottles · free US shipping on 3 or 6 · 60-day money-back guarantee
See packsCautions04
Who should avoid astragalus?
People with autoimmune diseases should avoid astragalus, and it may interact with medicines that suppress the immune system (NCCIH, Astragalus).
- Autoimmune conditions: ask your doctor before any drop that lists the root.
- Immune-suppressing medicines: the herb may work against them.
- Pregnant, nursing or under 18: the label asks you to see a physician or skip the product.
Keep taking any prescribed medicine, and tell your care team about every supplement. The product is a supplement, not diabetes care.
If you try it05
What does a trial of Sugar Defender cost?
Two bottles cost $158 plus shipping, three cost $207 and six cost $294, and a 60-day money-back guarantee applies to official orders.
| Pack | 2 bottles | 3 bottles | 6 bottles |
|---|---|---|---|
| Bottles | 2 | 3 | 6 |
| Total mL (servings) | 120 mL (120) | 180 mL (180) | 360 mL (360) |
| Price per bottle | $79 | $69 | $49 |
| Total | $158 | $207 | $294 |
| Days at the label's 1 mL a day | 120 | 180 | 360 |
| Per day at 1 mL | about $1.32 | about $1.15 | about $0.82 |
| Days as the order page counts | 60 | 90 | 180 |
| Per day on that count | about $2.63 | about $2.30 | about $1.63 |
| Shipping (US) | Added at checkout | Free | Free |
| Digital e-books | None | Two | Two |
| Guarantee | 60 days | 60 days | 60 days |
Sugar Defender: from $49 a bottle60 mL · 2, 3 or 6 bottles · free US shipping on 3 or 6 · 60-day money-back guarantee
See packsThe wider ingredient story is on the adaptogens page, and drug cautions sit under side effects.
FAQ06
Sugar Defender questions people ask
Is astragalus root the same as an astragalus extract?
Not necessarily. The label says only "astragalus root" and gives no strength, so you cannot tell how concentrated it is.
Should someone with lupus or another autoimmune disease take Sugar Defender?
Ask your doctor first. Astragalus is a herb that people with autoimmune diseases are told to avoid, and the blend does not print its amount (NCCIH, Astragalus).
How much astragalus is in one mL of Sugar Defender?
At most 33 mg, and probably less. The root is sixth of 22 lines in a 200 mg blend, so the ceiling is 200 divided by 6.
Who wrote this07
Written and reviewed by
Pages built from the label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by Isugardefender, a Sugar Defender U.S. shop, not by the manufacturer or the distributor. We earn money when you buy through our order links.
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Check your medicines first, then pick a pack. Three or six bottles ship free in the US and cost less per bottle, and every pack carries the 60-day money-back guarantee.
- Secure checkout on the order page
- 60-day money-back guarantee
- Ships from the U.S.; free on 3 or 6
