# NiaShure (Niacin)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/niashure
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-01
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Rumen-protected niacin, Encapsulated nicotinic acid, Balchem NiaShure, Coated niacin feed additive, Rumen-stable niacin

## Overview

NiaShure is a rumen-protected niacin (nicotinic acid) product formulated exclusively for dairy and beef cattle, using encapsulation technology to bypass rumen degradation and deliver niacin to the small intestine. It is not intended or approved for human consumption, and all documented benefits apply solely to bovine animal nutrition and heat stress management.

## Health Benefits

• No human health benefits documented - NiaShure is exclusively formulated for ruminant (cattle) nutrition, not human consumption
• In cattle: Reduces core body temperature by 1°F during peak heat stress (Collier et al., 2006 - animal study)
• In cattle: Lowers prepartum non-esterified fatty acid (NEFA) surges by limiting lipid mobilization (animal study evidence)
• In cattle: Supports heat shock protein (HSP70) production via increased [prostaglandin](/ingredients/condition/inflammation) D (animal study evidence)
• No human clinical trials, RCTs, or meta-analyses exist for this veterinary product

## Mechanism of Action

NiaShure delivers encapsulated nicotinic acid past the rumen to the small intestine, where it is absorbed and converted to NAD+ (nicotinamide adenine dinucleotide), a coenzyme critical to cellular [energy metabolism](/ingredients/condition/energy) and fatty acid oxidation. In cattle, nicotinic acid activates the GPR109A receptor on adipocytes, inhibiting hormone-sensitive lipase and thereby reducing lipolysis and the release of non-esterified fatty acids (NEFAs) into the bloodstream. Additionally, niacin-mediated vasodilation via [prostaglandin](/ingredients/condition/inflammation) D2 release from dermal Langerhans cells is thought to enhance cutaneous blood flow, facilitating heat dissipation and lowering core body temperature during heat stress.

## Clinical Summary

Research on NiaShure is conducted exclusively in animal models, primarily periparturient dairy cows. Collier et al. (2006) demonstrated that rumen-protected niacin supplementation reduced core body temperature by approximately 1°F (0.56°C) during peak heat stress conditions in cattle. Additional bovine studies have shown significant reductions in prepartum non-esterified fatty acid (NEFA) concentrations, suggesting improved hepatic metabolic health around calving. No human clinical trials exist for NiaShure, and its encapsulation matrix is specifically engineered for ruminant gastrointestinal physiology, making extrapolation of efficacy to humans scientifically unsupported.

## Nutritional Profile

{"macronutrients": {"protein": "Not applicable for human consumption", "fiber": "Not applicable for human consumption"}, "micronutrients": {"niacin": "Approximately 20% concentration by weight", "bioavailability": "Formulated for ruminant [digestion](/ingredients/condition/gut-health), not bioavailable for humans"}, "bioactive_compounds": {"niacin": "Active compound designed for ruminant use", "bioavailability": "Optimized for ruminant absorption, not suitable for human bioavailability"}}

## Dosage & Preparation

NiaShure is provided as a feed premix (65-71% niacin content) for ruminants only, not for human consumption. No clinically studied human dosages exist as this is a veterinary product. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

NiaShure is not formulated, tested, or approved for human consumption, and no human safety profile exists for this specific encapsulated product. Standard nicotinic acid in humans can cause cutaneous flushing, hepatotoxicity at high doses (>2g/day), gastrointestinal distress, and clinically significant elevations in [blood glucose](/ingredients/condition/weight-management) and uric acid. In humans, nicotinic acid interacts with statins (increased myopathy risk), anticoagulants (potentiated bleeding), and antidiabetic medications (reduced glycemic control). Human use of NiaShure should be avoided entirely, and individuals seeking niacin supplementation should use products specifically formulated and tested for human use.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses for NiaShure were identified, as it is formulated exclusively for ruminant nutrition. Available research consists of animal studies in cattle, including work by Collier et al. (2006) on heat stress reduction and studies on milk yield in Holstein cows, though specific design details and PMIDs were not provided in the research dossier.

## Historical & Cultural Context

No evidence of traditional medicinal use exists for NiaShure, as it is a modern branded veterinary product. While niacin itself was discovered in the 20th century for pellagra prevention, NiaShure is exclusively a contemporary animal nutrition ingredient with no roots in historical herbal traditions.

## Synergistic Combinations

Not applicable - veterinary product only

## Frequently Asked Questions

### Can humans take NiaShure niacin?

No, NiaShure is exclusively formulated for ruminant (cattle) nutrition and has not been tested for safety or efficacy in humans. Its encapsulation matrix is designed to withstand bovine rumen conditions and is not validated for human gastrointestinal physiology. Individuals seeking niacin supplementation should use human-grade nicotinic acid or niacinamide products.

### What is NiaShure used for in cattle?

NiaShure is used in dairy and beef cattle to manage heat stress and support periparturient metabolic health. In clinical bovine studies, it has been shown to reduce core body temperature by approximately 1°F during peak heat conditions and to lower prepartum NEFA (non-esterified fatty acid) concentrations, which are markers of negative energy balance and liver stress around calving. It is typically administered as a top-dress feed additive.

### How does rumen-protected niacin differ from regular niacin?

Regular unprotected niacin (nicotinic acid) is largely degraded by rumen microorganisms before it can be absorbed in ruminants, making it ineffective when fed directly to cattle. Rumen-protected niacin like NiaShure uses an encapsulation coating (typically a lipid or polymer matrix) to shield the nicotinic acid from microbial breakdown in the rumen, allowing it to pass into the abomasum and small intestine for absorption. This technology is irrelevant and unnecessary for humans, who lack a rumen.

### What is the active ingredient in NiaShure?

The active ingredient in NiaShure is nicotinic acid, one of the two primary forms of vitamin B3 (the other being niacinamide/nicotinamide). Nicotinic acid is bioconverted to NAD+ and NADP+ in tissues, supporting energy metabolism, and also activates the GPR109A receptor to inhibit adipose tissue lipolysis and reduce circulating non-esterified fatty acids in cattle. The product delivers this compound in a rumen-bypass encapsulated form.

### Is NiaShure the same as niacin supplements sold for cholesterol?

While both products contain nicotinic acid as the active compound, NiaShure is a veterinary feed ingredient with an encapsulation system designed for bovine rumen bypass — it is not the same as pharmaceutical or nutraceutical niacin products used in humans for cholesterol management. Human extended-release niacin (e.g., Niaspan) uses different delivery technologies validated in human pharmacokinetic studies. NiaShure has no approved indication, safety data, or recommended dosage for human use.

### What research evidence supports NiaShure's effectiveness in reducing heat stress in cattle?

Clinical studies, including research by Collier et al. (2006), demonstrate that NiaShure reduces core body temperature by approximately 1°F during peak heat stress conditions in cattle. The rumen-protected formulation allows niacin to reach the small intestine for absorption, where it enhances vasodilation and improves heat dissipation. These findings are specific to animal nutrition research and have not been evaluated in human populations.

### How does NiaShure support cattle health during the prepartum period?

NiaShure helps limit excessive lipid mobilization in cattle during the prepartum phase, which reduces surges in non-esterified fatty acids (NEFA) that can compromise metabolic health. Elevated NEFA levels during this critical period are associated with increased disease risk and reduced milk production in dairy cattle. By moderating this metabolic response, NiaShure supports improved transition cow health and subsequent lactation performance.

### Why is NiaShure formulated differently than standard niacin supplements?

NiaShure uses rumen-protection technology to shield niacin from degradation in the rumen, ensuring it survives to the small intestine where absorption occurs—a critical requirement for ruminant animals with their unique four-chambered digestive system. Standard niacin would be largely degraded or converted by rumen microbes before absorption could take place, making the rumen-protected form essential for livestock efficacy. This ruminant-specific formulation has no equivalent application in human nutrition.

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