Type 2 Diabetes (T2D)Supplements and Vitamins
Research Summary
Analyzed using Evidence Intelligence™

Pilot protocol compares Ayurvedic Nimba-Amalakyadi powder versus metformin for type 2 diabetes

Last updated May 26, 2026

Key finding

This article is a pilot trial protocol in adults with newly diagnosed type 2 diabetes that plans to compare Nimba-Amalakyadi powder against metformin over 45 days, with follow-up to day 90, and no final efficacy results are reported yet.

This publication describes a planned pilot randomized open-label trial, not completed efficacy outcomes. It proposes enrolling 36 participants with type 2 diabetes to compare Nimba-Amalakyadi powder versus metformin for 45 days, with day-90 follow-up. The protocol emphasizes feasibility metrics and exploratory glycemic trends, but final comparative results are not available in this article.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Low

Study type

Randomized Controlled Trials (RCTs)

Follow-up

Short-Term (≤3 mo)

Risk of bias

Some Concerns

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Plain-language summary

What this paper says

A plain-language read of the study’s main message and where it applies.

Study focus

This article is a pilot trial protocol in adults with newly diagnosed type 2 diabetes that plans to compare Nimba-Amalakyadi powder against metformin over 45 days, with follow-up to day 90, and no final efficacy results are reported yet.

Published in

Journal Reference

Publication details and source links for this paper.

Sawarkar P, Sawarkar GR. Evaluation of the comparative efficacy of an Ayurvedic formulation (Nimba-Amalakyadi powder) vs metformin in the management of type 2 diabetes mellitus: protocol for a pilot study. JMIR Res Protoc. 2026;15:e63574. doi:10.2196/63574

Main Effects

No completed comparative efficacy results reported in this protocol publication

Planned glycemic endpoints include HbA1c, fasting blood sugar, postprandial glucose, and urine sugar

Feasibility endpoints include recruitment, retention, adherence, acceptability, and data completeness

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Metformin, Nimba-Amalakyadi powder and HbA1c, Fasting Plasma Glucose (FPG), Postprandial blood glucose, and 1 more.

Primary intervention

Metformin

Primary outcomes

  • HbA1c
  • Fasting Plasma Glucose (FPG)
  • Postprandial blood glucose

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

5
Evidence pairs
5
Relationships
3
Evidence topics
contributes_evidence

Editorial context

Why this study matters

See why this paper is useful beyond its individual results.

Evidence network role

This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.

Moderate contributionModerate confidenceNetwork score: 54

3

Related topics

5

Evidence pairs

579

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 5 evidence relationships
  • Uses a randomized study design signal
  • Linked to 3 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Primary evidence

Evidence relationship

Metformin Therapies and HbA1c

Related evidence

Evidence topic

Glycemic Control

Save evidence

Evidence topic

HbA1c Reduction

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

HbA1c

Metformin → HbA1c

Metformin → HbA1c

Evidence Intelligence™
EvidenceScore™
85
Strong
ImpactScore™
82
Positive
ConsistencyScore™
67
generally_consistent
Supporting studies: Based on 11 studies
Add to Evidence Tracker

Fasting Plasma Glucose (FPG)

Nimba-Amalakyadi powder → Fasting Plasma Glucose (FPG)

Nimba-Amalakyadi powder → Fasting Plasma Glucose (FPG)

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
55
Slightly Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

HbA1c

Nimba-Amalakyadi powder → HbA1c

Nimba-Amalakyadi powder → HbA1c

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
55
Slightly Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Postprandial blood glucose

Nimba-Amalakyadi powder → Postprandial blood glucose

Nimba-Amalakyadi powder → Postprandial blood glucose

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
55
Slightly Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Urine sugar

Nimba-Amalakyadi powder → Urine sugar

Nimba-Amalakyadi powder → Urine sugar

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
55
Slightly Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • Methods section specifies randomized allocation with two groups and 45-day intervention exposure plus day-90 follow-up.
  • The paper explicitly identifies itself as a protocol and states final results are expected after completion phases.
  • Outcome variables are described as planned measurements rather than reported comparative endpoint results.
who this applies

Who this applies to

Adults aged 20-60 years with newly diagnosed type 2 diabetes (<6 months)

keep in mind

Keep in Mind

Interpret this as a protocol, not a completed efficacy trial.

between the lines

Between the Lines

  • This publication is a protocol and does not report final efficacy results.
  • Small planned pilot sample size (n=36) limits inferential strength.
  • Open-label design may introduce performance and expectation biases.
  • Single-center setting may limit generalizability.

Evidence Library

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Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Metformin Therapies and HbA1c, Metformin Therapies and Fasting Glucose.

Related evidence relationships

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Metformin Therapies improve HbA1c?

Strong Evidence

Metformin Therapies appears to improve HbA1c.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Strong | EvidenceScore™ 85.2 | moderate positive | ConsistencyScore™ Generally Consistent | 1 study

Why this answer: This answer is based on 13 supporting studies with generally consistent results and a positive effect signal.

Limitations

  • Population details are unavailable.
13 supporting studiesUpdated: Jul 2026

Does Nimba-Amalakyadi powder improve fasting plasma glucose (fpg)?

Emerging Evidence

Nimba-Amalakyadi powder may improve Fasting Plasma Glucose (FPG).

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Fasting Plasma Glucose (FPG)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | weak positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Nimba-Amalakyadi powder improve HbA1c?

Emerging Evidence

Nimba-Amalakyadi powder may improve HbA1c.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | weak positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Nimba-Amalakyadi powder improve postprandial blood glucose?

Emerging Evidence

Nimba-Amalakyadi powder may improve Postprandial blood glucose.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Postprandial blood glucose

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | weak positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026
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