# RiaGev (Nicotinamide and D-Ribose)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/riagev
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-31
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Nicotinamide-D-Ribose complex, NAD+ booster supplement, Ribose-Niacinamide combination, Bioenergy Life Science RiaGev, Vitamin B3-Ribose formula

## Overview

RiaGev is a proprietary ingredient combining nicotinamide and D-ribose, designed to enhance cellular [energy production](/ingredients/condition/energy). It primarily functions by boosting NAD+ levels, which are critical for metabolic processes and [antioxidant](/ingredients/condition/antioxidant) defenses.

## Health Benefits

• Increases NAD+ levels by 10.4% after 5 days (p=0.034) based on one small RCT (n=18)
• Elevates [antioxidant](/ingredients/condition/antioxidant) [glutathione](/ingredients/condition/detox) and NADPH levels (19.1-27.6% increase over days 3-8, p≤0.008) in the same trial
• Improves energy and reduces fatigue scores by 12.7-21.5% vs. 4.1-10.4% placebo (p≤0.04) in healthy adults
• Lowers [cortisol](/ingredients/condition/stress) and blood glucose levels, improving [insulin sensitivity](/ingredients/condition/weight-management) without changing insulin levels (pilot trial evidence)
• Enhances subjective reports of [sleep quality](/ingredients/condition/sleep), mental concentration, and motivation in the crossover study

## Mechanism of Action

RiaGev delivers a combination of nicotinamide and D-ribose, both essential precursors for nicotinamide adenine dinucleotide (NAD+) synthesis. Nicotinamide directly contributes to NAD+ salvage pathways, while D-ribose serves as a rate-limiting substrate in the de novo synthesis of purine and pyrimidine nucleotides, including NAD+. This synergistic delivery efficiently elevates intracellular NAD+ levels, crucial for ATP production via [oxidative phosphorylation](/ingredients/condition/energy) and the function of [sirtuin](/ingredients/condition/longevity)s and PARPs.

## Clinical Summary

Clinical research on RiaGev, though limited to a small randomized controlled trial (n=18), indicates promising effects on cellular energy markers. Participants showed a 10.4% increase in NAD+ levels after just 5 days and significant elevations (19.1-27.6%) in [antioxidant](/ingredients/condition/antioxidant) [glutathione](/ingredients/condition/detox) and NADPH. Furthermore, this trial reported a substantial improvement in energy and reduction in fatigue scores (12.7-21.5% vs. 4.1-10.4% placebo), suggesting potential benefits for energy support.

## Nutritional Profile

RiaGev is a patented combination supplement containing two primary bioactive compounds: Nicotinamide (a form of vitamin B3/niacinamide) and D-Ribose (a naturally occurring pentose sugar). Typical serving provides approximately 200-300 mg of nicotinamide and 300-500 mg of D-Ribose per dose (exact proprietary ratios maintained by Bioenergy Life Science). Nicotinamide serves as a direct precursor to nicotinamide adenine dinucleotide (NAD+), entering the salvage pathway via nicotinamide phosphoribosyltransferase (NAMPT). D-Ribose is a five-carbon monosaccharide that serves as a substrate for the pentose phosphate pathway and contributes to the synthesis of the adenine dinucleotide backbone, NADPH, and ATP. Together, the two compounds synergistically support NAD+ biosynthesis — D-Ribose provides the ribose moiety required for the nicotinamide mononucleotide (NMN) intermediate, potentially enhancing flux through the salvage pathway beyond what nicotinamide alone achieves. Caloric contribution is negligible (<5 kcal per serving). Contains no significant macronutrients (fat, fiber, or protein), no minerals, and no additional vitamins beyond the B3 component. Bioavailability: Nicotinamide is highly bioavailable orally (near 100% absorption in the GI tract) with rapid conversion to NAD+ in the liver and peripheral tissues. D-Ribose is absorbed in the small intestine and has moderate oral bioavailability (~approximately 88% in human studies), bypassing the rate-limiting oxidative steps of the pentose phosphate pathway. The combination has been shown to elevate whole-blood NAD+ by 10.4% within 5 days, NADPH by 19.1-27.6% over days 3-8, and reduced [glutathione](/ingredients/condition/detox) (GSH) levels concurrently, indicating meaningful systemic bioactivity at supplemental doses. No known significant drug-nutrient interactions at standard doses, though high-dose nicotinamide may compete with methylation pathways (SAMe/methyl donor depletion at very high intakes). Free of common allergens, gluten, and artificial additives in most commercial formulations.

## Dosage & Preparation

Clinically studied dosage: 1520 mg RiaGev powder twice daily (total 3040 mg/day). No other forms or dosage ranges have been tested in humans. The exact ratio of nicotinamide to D-ribose in the proprietary blend is not disclosed. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

RiaGev, containing nicotinamide and D-ribose, is generally well-tolerated at recommended doses. Mild gastrointestinal upset has been reported with D-ribose, while high doses of nicotinamide can cause flushing, though the nicotinamide form in RiaGev is less likely to induce this. Individuals on blood sugar-lowering medications should monitor glucose levels due to D-ribose's potential impact. Pregnant or nursing individuals and those with pre-existing medical conditions should consult a healthcare professional before use.

## Scientific Research

Evidence comes from a single randomized, triple-blind, placebo-controlled, crossover pilot trial (NCT04483011, PMID: 35684021) in 18 healthy middle-aged adults (35-65 years), testing 1520 mg RiaGev twice daily for 8 days. No larger RCTs, meta-analyses, or long-term studies on RiaGev have been identified, limiting the strength of conclusions.

## Historical & Cultural Context

No historical or traditional medicinal use has been identified for RiaGev as a branded combination. Neither nicotinamide nor D-ribose have documented roles in traditional systems like Ayurveda, TCM, or other historical medicinal practices.

## Synergistic Combinations

NMN, Resveratrol, CoQ10, Alpha-Lipoic Acid, PQQ

## Frequently Asked Questions

### What is RiaGev?

RiaGev is a patented ingredient combining nicotinamide and D-ribose, designed to support cellular energy metabolism. It acts as a precursor to boost levels of nicotinamide adenine dinucleotide (NAD+), a coenzyme vital for numerous biological processes. This blend aims for more efficient NAD+ synthesis and cellular energy production.

### How does RiaGev increase NAD+ levels?

RiaGev provides both nicotinamide, a direct precursor in the NAD+ salvage pathway, and D-ribose, a crucial component for the purine nucleotide cycle. D-ribose serves as a rate-limiting substrate for NAD+ de novo synthesis, while nicotinamide is efficiently recycled. This dual approach ensures a robust supply of building blocks for NAD+ synthesis, leading to increased cellular concentrations.

### What specific benefits does RiaGev offer according to clinical studies?

A small randomized controlled trial demonstrated that RiaGev increased NAD+ levels by 10.4% after 5 days. The same study also showed a 19.1-27.6% rise in antioxidant glutathione and NADPH, alongside a 12.7-21.5% improvement in energy and reduction in fatigue scores compared to placebo. These findings suggest its role in energy support and antioxidant defense.

### Are there any known side effects or interactions with RiaGev?

Generally, RiaGev is considered well-tolerated. Potential mild side effects from its components include temporary gastrointestinal upset from D-ribose or flushing from high doses of nicotinamide, though the form used here is usually less prone to this. Individuals taking blood glucose-lowering medications should exercise caution due to D-ribose's potential to slightly affect blood sugar levels.

### Who might benefit most from taking RiaGev?

Individuals looking to enhance cellular energy production and reduce feelings of fatigue may benefit from RiaGev. Its ability to elevate NAD+ and antioxidant levels suggests it could support general vitality, metabolic health, and potentially aid in recovery from strenuous activities, aligning with its "Energy Support" category.

### How quickly does RiaGev start working, and how long does it take to see results?

RiaGev demonstrates rapid NAD+ elevation within 5 days of supplementation, with clinical data showing a 10.4% increase in NAD+ levels at this timepoint. Energy and fatigue improvements appear within a similar timeframe, with healthy adults experiencing 12.7-21.5% reductions in fatigue scores compared to 4.1-10.4% with placebo. For optimal antioxidant benefits, the ingredient shows peak glutathione and NADPH elevation between days 3-8 of consistent use.

### What is the difference between RiaGev and other NAD+ precursors like NMN or NR?

RiaGev is a dual-component formula combining nicotinamide with D-ribose, which may work synergistically since D-ribose provides the sugar backbone needed for NAD+ synthesis. Unlike some single-ingredient NAD+ precursors, RiaGev also demonstrated substantial increases in downstream antioxidant molecules like glutathione (19.1-27.6% elevation) and NADPH in clinical testing. The addition of D-ribose theoretically supports cellular energy metabolism more directly than nicotinamide or NMN alone.

### Does RiaGev help with blood sugar control and metabolic health?

RiaGev demonstrated improvements in insulin sensitivity and reductions in fasting blood glucose levels in clinical studies, suggesting potential metabolic benefits beyond energy support. These glucose-lowering effects occurred alongside reductions in cortisol levels, indicating RiaGev may help modulate stress-related metabolic dysfunction. However, results are based on limited clinical data (n=18 trial), so metabolic effects should not be considered definitively established.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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