Xymogen

Berberine ES-5 Dihydroberberine S1, 60 Capsules

Xymogen's Berberine ES-5 features dihydroberberine, a reduced form of berberine that research suggests is absorbed more efficiently than standard berberine HCl, supporting healthy glucose metabolism, insulin sensitivity, and cardiovascular function.

May be a fit for

  • Adults seeking dihydroberberine support for healthy glucose metabolism
  • Practitioners protocols requiring enhanced-absorption berberine with S1 delivery
  • Individuals supporting healthy insulin sensitivity with dihydroberberine ES-5
$50.99

30-day money-back guarantee
Save together with Wellness Circles

Invite friends or family to a Wellness Circle. Your group can unlock savings together. See current tiers and terms before joining.

Explore Wellness Circles
CapsulesFormat
60 CapsulesPack size
The essentials

A closer look.

Xymogen's Berberine ES-5 features dihydroberberine, a reduced form of berberine that research suggests is absorbed more efficiently than standard berberine HCl, supporting healthy glucose metabolism, insulin sensitivity, and cardiovascular function. Formulated for clinically oriented practitioners and their patients, this product is designed for those seeking meaningful metabolic support.

Why It's Worth Considering: Dihydroberberine converts back to berberine in the gut but at a fraction of the dose, potentially reducing the GI discomfort commonly associated with standard berberine supplementation while maintaining efficacy.

Inside the formula

Product details

Who it may suit

May be a fit for

  • Adults seeking dihydroberberine support for healthy glucose metabolism
  • Practitioners protocols requiring enhanced-absorption berberine with S1 delivery
  • Individuals supporting healthy insulin sensitivity with dihydroberberine ES-5
  • Those pursuing metabolic wellness through a bioavailable berberine compound

Considerations

  • Taking metformin (additive blood sugar lowering — monitor closely)
  • Pregnancy and breastfeeding
  • Taking medications metabolized by CYP3A4 (many drugs — check interactions)
  • Low blood pressure (berberine may lower BP further)
What to expect over time
Week 1–2

Blood Sugar

Noticeable post-meal glucose reduction

Week 4–8

HbA1c Impact

Beginning HbA1c improvement

Month 2–3

Lipid Changes

LDL and triglycerides reducing

Month 3–6

Metabolic Reset

Sustained metabolic improvement across markers

Based on clinical berberine studies at 500mg 2-3x/day. Often called 'nature's metformin.'

Explore complementary products
From across the web

Real reviews. A wider perspective.

Customer reviews, social conversations and expert insights, with every source in view.

Marketplaces & brand websites
Amazon, iHerb and direct brand reviews
Social & community
Reddit, X, Instagram and TikTok
Video & creators
YouTube and creator perspectives

Coverage varies by product and brand.

Good to know

A few useful answers.

Research & further reading

More category questions

Is berberine as effective as metformin?

Head-to-head clinical trials show berberine 500mg 3x/day produces comparable HbA1c reduction (0.5-0.9%) and fasting glucose reduction to metformin 500mg 3x/day. Berberine also reduces LDL cholesterol and triglycerides — an effect metformin doesn't have. However, berberine is a supplement, not a drug, and should not replace prescribed medication without physician guidance.

How should I take berberine?

Take 500mg 2-3 times daily with meals. The key is splitting the dose — berberine has a short half-life (~5 hours) and taking it with each meal maximizes the post-meal blood sugar benefit. Start with 500mg once daily and increase over 2 weeks to reduce GI side effects (which are similar to metformin).

Does berberine have side effects?

Common: GI discomfort, diarrhea, constipation, gas (similar to metformin, usually resolves in 1-2 weeks). Berberine can lower blood sugar significantly — monitor if diabetic. It also inhibits CYP3A4 liver enzyme, which affects metabolism of many drugs (statins, blood thinners, antidepressants). Check drug interactions carefully.

Can I take berberine long-term?

Most studies are 3-6 months. Some practitioners recommend cycling: 8 weeks on, 4 weeks off, to maintain effectiveness and allow the gut microbiome to rebalance (berberine has antimicrobial properties). Long-term continuous use appears safe in studies up to 2 years, but cycling is a reasonable precaution.

Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.

Xymogen - Berberine ES-5 Dihydroberberine S1, 60 Capsules