Home Ingredients SantEnergy™ Nu (Yerba Santa / Santa Herba)
Weight ManagementEnergyMetabolic Health

SantEnergy™ Nu (Yerba Santa / Santa Herba)

Eriodictyon californicum
Evidence Level
Limited
1 Clinical Trial
3 Documented Benefits
2/5 Evidence Score

SantEnergy™ Nu is Mibelle's oral yerba santa (Eriodictyon californicum) extract — a caffeine-free, polyphenol-rich 'energizer' standardized for eriodictyol-type flavonoids, marketed for energy and weight/metabolic support. Its branded trial was randomized, double-blind and placebo-controlled in overweight women and reported modulated energy metabolism with reductions in body weight and fat. Honest framing: one manufacturer-associated trial; caffeine-free is a genuine differentiator.

Studied Dose Branded trial: 400 mg twice daily (800 mg/day) for 12 weeks. Taken as a capsule.
Active Compound Yerba santa (Eriodictyon californicum) leaf extract, polyphenol/flavonoid-rich (eriodictyol-type), naturally caffeine-free. SantEnergy™ Nu is manufactured by Mibelle Biochemistry.

Benefits

Body weight and fat reduction (branded RCT)

In a randomized, double-blind, placebo-controlled trial in overweight/obese women, SantEnergy reduced body weight and fat versus placebo while modulating energy metabolism. One manufacturer-associated study.

Supported by Trial 1

Caffeine-free energy support

Yerba santa is positioned as a caffeine-free energizer acting on adenosine signaling, offering an alternative to stimulant energy ingredients.

Supported by Trial 1

Flavonoid antioxidant and metabolic activity

Eriodictyol and related flavonoids show antioxidant and metabolic effects in laboratory studies, the proposed basis for the energy-metabolism findings.

Supported by Trial 1

Mechanism of action

1

Energy-metabolism modulation

The extract altered markers of energy metabolism in the trial, consistent with flavonoid effects on cellular energy handling and fat oxidation.

2

Eriodictyol antioxidant signaling

Eriodictyol, the characteristic yerba santa flavonoid, has documented antioxidant and Nrf2-related activity that may underpin the metabolic effects.

Clinical trials

1
Santa Herba Energy-Metabolism Weight RCT

Randomized, double-blind, placebo-controlled, 400 mg twice daily for 12 weeks (Journal of Medicinal Food, 2021).

50 overweight/obese women

Reduced body weight and fat with modulation of energy-metabolism markers versus placebo. Manufacturer-associated.

Side effects and drug interactions

Common Potential side effects

Generally well tolerated; caffeine-free, so no stimulant jitteriness.
Mild gastrointestinal upset possible.
Yerba santa has a long history of traditional use; concentrated-extract long-term data are limited.
Pregnancy/lactation: not studied; precautionary avoidance reasonable.

Important Drug interactions

No well-documented drug interactions; theoretical caution with antidiabetic or weight medications given the metabolic effects.
Discuss with a clinician if combining with other weight-management agents.

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Frequently asked questions about SantEnergy™ Nu (Yerba Santa / Santa Herba)

What is SantEnergy Nu?

It is an oral yerba santa (Eriodictyon) extract from Mibelle marketed as a caffeine-free energizer with weight/metabolic support. A placebo-controlled trial in overweight women found reduced body weight and fat over 12 weeks.

Is it a stimulant?

No. SantEnergy Nu is caffeine-free and is proposed to support energy through adenosine signaling and flavonoid effects on energy metabolism, not through stimulation, which is its main selling point.

What is SantEnergy Nu used for?

SantEnergy Nu is researched primarily for Weight Management, Energy, and Metabolic Health. In a randomized, double-blind, placebo-controlled trial in overweight/obese women, SantEnergy reduced body weight and fat versus placebo while modulating energy metabolism. One manufacturer-associated study.

What is the recommended dosage of SantEnergy Nu?

The clinically studied dose is Branded trial: 400 mg twice daily (800 mg/day) for 12 weeks. Taken as a capsule. Always follow the product label and check with a healthcare provider for personal advice.

Is SantEnergy Nu safe, and does it have side effects?

For most healthy adults, SantEnergy Nu is well tolerated at studied doses. Reported effects can include: Generally well tolerated; caffeine-free, so no stimulant jitteriness. Mild gastrointestinal upset possible. It may also interact with some medications. SantEnergy Nu is not right for everyone, so check with a healthcare provider first if you are pregnant or breastfeeding, have a medical condition, or take prescription medication.

Does SantEnergy Nu interact with any medications?

Possible interactions include: No well-documented drug interactions; theoretical caution with antidiabetic or weight medications given the metabolic effects. Discuss with a clinician if combining with other weight-management agents. If you take prescription medication, check with a pharmacist or doctor before using it.

How strong is the scientific evidence for SantEnergy Nu?

NutraSmarts rates the evidence for SantEnergy Nu as Limited (2 out of 5). It is backed by 1 clinical trial and 2 cited references summarized on this page. A higher rating reflects more, larger, and better-designed human studies.

References(2 citations)

Evidence ratings on NutraSmarts are based on the totality of human clinical research, with emphasis on randomized controlled trials, meta-analyses, and systematic reviews. The references below directly support claims made throughout this page.

  1. Modinger Y, Schon C, Wilhelm M, Pickel C, Grothe T A Food Supplement with Antioxidative Santa Herba Extract Modulates Energy Metabolism and Contributes to Weight Management. Journal of Medicinal Food. 2021;24(11):1235-1242. doi: 10.1089/jmf.2021.0016.PubMedUsed to support: The branded SantEnergy Nu trial: a randomized, double-blind, placebo-controlled study in overweight/obese women; caffeine-free yerba-santa (Santa herba) extract modulated energy metabolism and reduced body weight/fat. Manufacturer-associated.
  2. Mariyappan P, Kalaiyarasu T, Manju V Effect of eriodictyol on preneoplastic lesions, oxidative stress and bacterial enzymes in 1,2-dimethyl hydrazine-induced colon carcinogenesis. Toxicology Research. 2017;6(5):678-692. doi: 10.1039/c7tx00074j.PubMedUsed to support: A mechanistic study of eriodictyol, the characteristic flavonoid of yerba santa (Eriodictyon), showing antioxidant activity that underpins SantEnergy Nu's proposed mode of action.