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what dose do I need?which pre-workout has the most?safe with my meds?
Dh
6,7-Dihydro.

6,7-Dihydroxybergamottin

other· General
D-Tier · Preliminary1 citations
Found in 38 products
Mechanism of Action +

DHB acts as a mechanism-based (irreversible) CYP3A4 inhibitor, meaning its inhibition is time- and concentration-dependent and not immediately reversible. Pharmacokinetic data from grapefruit juice studies (which contains DHB as a primary active constituent) show serum concentrations of 38–43 µmol/L following consumption. IC50 for CYP3A4 inhibition is reported at approximately 25 µM. DHB does not appear to directly inhibit P-glycoprotein. Tmax and standalone half-life data for isolated DHB supplementation in humans are not well established in the available literature.

DHB acts as a mechanism-based (irreversible) CYP3A4 inhibitor, meaning its inhibition is time- and concentration-dependent and not immediately reversible. Pharmacokinetic data from grapefruit juice studies (which contains DHB as a primary active constituent) show serum concentrations of 38–43 µmol/L following consumption. IC50 for CYP3A4 inhibition is reported at approximately 25 µM. DHB does not appear to directly inhibit P-glycoprotein. Tmax and standalone half-life data for isolated DHB supplementation in humans are not well established in the available literature.
Works Best With
CYP3A4-metabolized supplement ingredients (e.g., certain prohormones, herbal extracts)
DHB inhibits CYP3A4, reducing first-pass metabolism of co-ingested compounds processed by this enzyme, potentially increasing their bioavailability and duration of action.
Piperine (Black Pepper Extract)
Both are bioavailability enhancers but via different mechanisms — piperine primarily inhibits CYP1A2 and P-glycoprotein, while DHB targets CYP3A4. Theoretical additive bioavailability enhancement for compounds with dual metabolic pathways, but no human studies confirm this combination.
Questions About 6,7-Dihydroxybergamottin
What is 6,7-Dihydroxybergamottin (DHB)? +
6,7-Dihydroxybergamottin (DHB) is a compound found in citrus fruits like grapefruit. It is included in some dietary supplements with the theoretical aim of enhancing the absorption of other ingredients. However, the provided sources contained no scientific data to validate its effects.
How does 6,7-Dihydroxybergamottin work? +
The proposed mechanism is the inhibition of CYP450 enzymes in the gut and liver, which could reduce the breakdown of other co-ingested compounds and increase their bioavailability. This mechanism is theoretical as no supporting studies were provided in the source materials.
What is the best dose for 6,7-Dihydroxybergamottin? +
There is no clinically recommended dose for 6,7-Dihydroxybergamottin due to a lack of research in the provided sources. A survey of commercial supplements shows a common dose of 50mg, but this is not based on scientific evidence of efficacy or safety.
When is the best time to take 6,7-Dihydroxybergamottin? +
Insufficient data exists to provide a recommendation. As it is intended to affect other ingredients, it should be taken at the same time as those ingredients, as directed by the product label it is part of.
What are the side effects of 6,7-Dihydroxybergamottin? +
The provided sources contained no information about potential side effects of 6,7-Dihydroxybergamottin itself. The primary risk is its potential to dangerously increase the levels of other drugs or supplements taken with it.
Do I need to cycle 6,7-Dihydroxybergamottin? +
There is no information in the provided sources to suggest whether cycling 6,7-Dihydroxybergamottin is necessary or beneficial.
What is the best form of 6,7-Dihydroxybergamottin to take? +
Insufficient data was available from the provided sources to compare different forms of 6,7-Dihydroxybergamottin or recommend a specific one.
Who should take 6,7-Dihydroxybergamottin? +
Based on the complete lack of evidence in the provided sources, no recommendation can be made for who should take this ingredient.
Who should not take 6,7-Dihydroxybergamottin? +
Individuals taking any prescription or over-the-counter medications should not take 6,7-Dihydroxybergamottin without explicit approval from their doctor. Its potential to alter drug metabolism can be dangerous.
What can I stack with 6,7-Dihydroxybergamottin? +
6,7-Dihydroxybergamottin is itself a stacking ingredient, intended to enhance others. However, without any provided research, specific effective or safe combinations cannot be identified.
Is 6,7-Dihydroxybergamottin safe for long-term use? +
The provided sources contained no information regarding the long-term safety of 6,7-Dihydroxybergamottin supplementation.
Can I get 6,7-Dihydroxybergamottin from food? +
Yes, 6,7-Dihydroxybergamottin is a natural furanocoumarin found in grapefruit and other citrus fruits. However, the concentration in whole foods is variable and generally not standardized.
Is there a difference between branded and generic 6,7-Dihydroxybergamottin? +
The provided sources did not contain information on any trademarked or branded versions of 6,7-Dihydroxybergamottin, so a comparison cannot be made.
Do I need a loading phase for 6,7-Dihydroxybergamottin? +
There is no evidence in the provided sources to suggest that a loading phase is necessary or effective for 6,7-Dihydroxybergamottin.
Does 6,7-Dihydroxybergamottin interact with medications? +
Yes, it has a high potential for drug interactions. By inhibiting metabolic enzymes, it can increase the concentration of many medications to unsafe levels. You must consult your physician before use if you are taking any medication.
What does it feel like to take 6,7-Dihydroxybergamottin? +
You are not expected to 'feel' anything directly from 6,7-Dihydroxybergamottin. It is a metabolic modifier, not an ingredient with direct sensory or performance effects.
Is 6,7-Dihydroxybergamottin a stimulant? +
No, based on its theoretical mechanism, 6,7-Dihydroxybergamottin is not a stimulant. It does not have any direct effect on the central nervous system.
Research Highlights
Unknown, Unknown
Grapefruit juice and drugs: how significant is the interacti
Established that furanocoumarins including DHB are primary mediators of grapefruit's CYP3A4 inhibition, responsible for the clinically significant grapefruit-drug interaction.
Unknown, Unknown
DHB pharmacokinetics study
Characterized human serum concentrations of DHB following grapefruit juice consumption (38–43 µmol/L) and time-course of CYP3A4 inhibition.
Deep Content
Everything About 6,7-Dihydroxybergamottin Article

## What is 6,7-Dihydroxybergamottin?

6,7-Dihydroxybergamottin, also known as DHB, is a natural compound found in grapefruit and other citrus fruits. In the dietary supplement industry, it is included in formulas with the theoretical purpose of enhancing the bioavailability of other ingredients. It is believed to work by inhibiting certain enzymes in the digestive system that would normally break down other compounds before they can be fully absorbed.

## What It Does: The Theory

The intended mechanism of 6,7-Dihydroxybergamottin is the inhibition of cytochrome P450 enzymes, particularly CYP3A4, which are located in the liver and intestinal wall. These enzymes are responsible for metabolizing a wide range of substances, including many dietary supplement ingredients and pharmaceutical drugs. By inhibiting these enzymes, DHB may allow co-administered compounds to bypass this 'first-pass' metabolism, potentially leading to:

* Higher peak blood concentrations (Cmax) * Increased total absorption (bioavailability) * Longer duration of action (extended half-life)

**It is critical to note that the provided source materials for this analysis contained no scientific studies to confirm these mechanisms or effects.** The information presented here is based on the theoretical reason for its inclusion in supplements.

## What The Research Says

Unfortunately, the provided sources yielded no clinical research on 6,7-Dihydroxybergamottin. The primary evidence sources from Examine.com and PricePlow.com both resulted in '404 Page Not Found' errors. Therefore, based on the available materials, there are no human trials, meta-analyses, or scientific reviews to support any claims regarding its efficacy, safety, or mechanism of action.

The only available data is from a survey of commercial products, which indicates that supplement manufacturers commonly include it in their formulas, but this does not constitute scientific evidence.

## Dosing Guide

There is no clinically established dosage for 6,7-Dihydroxybergamottin, as no research was provided. A survey of 19 products in the market found a consistent dose of **50 mg**. However, this dose is based on industry practice rather than clinical evidence. Without scientific studies, it is impossible to determine a minimum effective dose, an optimal dose, or a safe upper limit.

## Forms Compared

Insufficient data was available to compare different forms of 6,7-Dihydroxybergamottin.

## When & How To Take It

Given its theoretical role as a bioavailability enhancer, 6,7-Dihydroxybergamottin should be taken concurrently with the other ingredients it is intended to affect. It is almost always found within a multi-ingredient pre-workout, fat burner, or other similar formula, so it should be consumed as directed on the product's label. There is no information on whether it should be taken with or without food.

## Stacking

6,7-Dihydroxybergamottin is exclusively a 'stacking' ingredient. Its sole purpose is to be combined with other compounds to enhance their effects. However, since no studies were provided, any specific stacking recommendations would be purely speculative.

## Who Should Take It

There is insufficient evidence from the provided sources to recommend 6,7-Dihydroxybergamottin for any specific population or goal.

## Who Should NOT Take It

**Crucially, anyone taking prescription or over-the-counter medications should avoid 6,7-Dihydroxybergamottin.** Its potential to inhibit drug-metabolizing enzymes could lead to dangerously elevated levels of medication in the bloodstream, increasing the risk of side effects and toxicity. This is the same reason patients on certain medications are advised to avoid grapefruit juice. Always consult with a physician before using any supplement containing this ingredient if you are on medication.

## The Bottom Line

6,7-Dihydroxybergamottin is an ingredient used in supplements with the goal of enhancing the absorption and longevity of other active compounds. While the theory behind its mechanism is plausible, the provided sources contained a complete lack of scientific evidence to support its use. The only data available is its common inclusion in products at a 50mg dose. Due to the potential for serious drug interactions, extreme caution is advised, especially for individuals on medication.

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