Blog
Can You Take Sugar Defender With Metformin?
Can I take Sugar Defender with metformin? The label does not answer that, and no study has tested the drops alongside metformin. It tells anyone taking other medication to consult a physician before use. Chromium, gymnema and ginseng are the ingredients most likely to matter, so ask your prescriber or pharmacist first.
Written by the Sugar Defender label deskUpdated · 4 min read

The label01
What does the Sugar Defender label say about medicines?
The label names no medicine. It says to consult your physician before use "if you are taking any other medication", and metformin falls under that line.
Neither the bottle nor the sales page we read covers metformin by name (Sugar Defender sales page). No trial has paired these drops with it, and FDA does not approve supplements before sale (FDA, Using Dietary Supplements).
Ingredients02
Which Sugar Defender ingredients could matter with metformin?
Chromium, gymnema, ginseng, African mango and astragalus are the five worth raising, because sources tie each to blood sugar or to diabetes drugs.
| Ingredient | What the source says |
|---|---|
| Chromium (0.7 mcg) | May add to the effect of insulin and other diabetes drugs; glucose studies used 200-1,000 mcg (NIH ODS, Chromium) |
| Gymnema | Small studies used 200-400 mg of extract and saw a small effect; strong trials are lacking (Drugs.com, Gymnema monograph) |
| Panax ginseng | Might lower blood sugar, so people with diabetes should consult a provider (NCCIH, Asian Ginseng) |
| African mango | Listed as a caution with antidiabetic medicines, based on rat data (MSKCC, Irvingia gabonensis (African mango)) |
| Astragalus | A 2024 review of mostly low-quality studies hinted at extra glucose lowering with metformin (NCCIH, Astragalus) |
None of these studies used Sugar Defender. An even split of the 200 mg blend is about 9 mg per mL, so amounts stay unknown. Details sit on the gymnema page.
Metformin side03
What does metformin's own guidance say about supplements?
MedlinePlus tells people on metformin to tell their doctor and pharmacist about every vitamin, supplement and herbal product they use (MedlinePlus, Metformin).
It also asks about past low vitamin B12 and warns of a rare, serious problem called lactic acidosis. Those lines are about metformin, not about Sugar Defender.
The ADA adds that some supplements can cause low blood glucose when combined with diabetes medicines, and it advises raising any supplement with your care team first (ADA, Vitamins & Supplements). Keep taking prescribed medicine; a supplement is never a reason to skip or change it.

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 packsIf you try it04
What should you watch for if you and your prescriber agree to try it?
Watch for the signs of low blood sugar, which for many people with diabetes means under 70 mg/dL (NIDDK, Low Blood Glucose).
- Shaky or jitteryTrembling hands, feeling nervous
- Sweaty, chillsClammy skin out of nowhere
- Hungry, nauseousSudden strong hunger
- Dizzy, confusedTrouble thinking or speaking clearly
- Fast heartbeatPounding or racing pulse
15-15For many people with diabetes, a low is under 70 mg/dL. Take 15-20 g of fast carbohydrate (juice, glucose tablets), then check again in 15 minutes.
Call 911If someone with a low passes out, has a seizure or cannot safely swallow. Do not give food or drink to someone who is unconscious.
Signs and steps from NIDDK (NIDDK, Low Blood Glucose). Insulin, sulfonylureas and meglitinides can cause lows; supplements may add to them (ADA, Vitamins & Supplements).
What to bring to the pharmacist
- The bottle or a photo of its Supplement Facts panel
- The note that blend amounts are not printed
- The caffeine sources: guarana and green tea

If you decide05
What does Sugar Defender cost once your prescriber agrees?
Three bottles cost $207 and six cost $294, with free US shipping on both; two cost $158 plus shipping.
A 60-day money-back guarantee applies to official orders, which leaves time to confirm the plan with your pharmacist.



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 packsFAQ06
Sugar Defender questions people ask
Has anyone studied Sugar Defender and metformin together?
No. We found no published study of the finished drops, with or without metformin, as of October 18, 2026. Only single ingredients have been studied, usually at larger doses.
Which Sugar Defender ingredients are flagged for people on diabetes drugs?
Chromium, ginseng, African mango and gymnema come up most. Sources tie them to blood sugar or to diabetes medicines, so raise all four with your prescriber (NIH ODS, Chromium) (NCCIH, Asian Ginseng).
What if I feel shaky after adding a new supplement to metformin?
Check your glucose if you can. For a low, the usual step is 15-20 g of fast carbohydrate, then a recheck in 15 minutes (NIDDK, Low Blood Glucose). Tell your prescriber what you changed.
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.
Keep reading
More about Sugar Defender
Sugar Defender U.S. shop
Ready to try Sugar Defender?
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



