煙酰胺:好處、用途和副作用

What is nicotinamide?

Nicotinamide is a form of vitamin B3 (niacin), one of eight B vitamins your body needs to stay healthy. Vitamin B3 plays a vital role in converting the food you eat into usable energy and helps your body's cells perform important chemical reactions. Because it is water-soluble, your body does not store this vitamin, This is why you need to take niacin or niacinamide every day. Vitamin B3 is typically found as niacinamide in animal products like meat and poultry, and as niacin in plant foods like nuts, seeds, and green vegetables.

Many refined grain products, including cereal, are also fortified with niacinamide. Your body also makes vitamin B3 from tryptophan, an amino acid found in most protein foods. However, the conversion of tryptophan to vitamin B3 is inefficient as 60 mg of tryptophan is required to make 1 mg of vitamin B3. Historically, vitamin B3 was known as vitamin PP, an acronym for pellagra prevention. That’s because a lack of vitamin B3 or tryptophan can lead to a disease called pellagra, which is characterized by the four Ds – diarrhea, dermatitis, dementia and, if left untreated, death. Pellagra is rare in developed countries such as North America and Europe, but it is still common in some developing countries. Both niacin and niacinamide can treat pellagra, but niacinamide is preferred because it has fewer side effects, such as skin flushing.

Nicotinamide is vitamin B3 (cigarette A form of acid),

Benefits and uses

In addition to being the preferred form of niacin for treating pellagra, niacinamide has several other health benefits and uses.

Helpful for certain skin conditions

Nicotinamide plays an important role in keeping skin healthy. Therefore, it is a popular additive in the cosmetics and skin care industry. Niacinamide has been shown to have anti-inflammatory effects on the skin when used topically or taken orally as a supplement. It has been used to treat skin conditions such as acne and rosacea, a facial skin disorder characterized by redness. This makes niacinamide a popular alternative to oral or topical antibiotics for treating acne or rosacea.

May help prevent melanoma

Melanoma is a serious form of skin cancer that occurs in cells that produce melanin, the pigment that gives skin its color. Exposure to ultraviolet (UV) radiation from the sun or tanning beds can damage cells’ DNA over time and is strongly linked to melanoma. Due to its role in maintaining cell health, oral nicotinamide supplements have been shown to enhance DNA repair in humans with UV-damaged skin. Thus, niacinamide is a promising supplement for preventing melanoma, especially in high-risk groups, such as those who have previously had non-melanoma skin cancer.

Useful for chronic kidney disease

Chronic kidney disease is the gradual loss of kidney function, which affects your body's ability to clean and filter blood and control blood pressure. This can lead to a buildup of harmful chemicals, such as phosphates, in the blood. Research suggests that nicotinamide may help lower phosphate levels in people with renal insufficiency by preventing its absorption. Phosphate levels are usually controlled with diet, medication, or dialysis, depending on the severity of the buildup.

May slow progression of type 1 diabetes

Type 1 diabetes is a disease in which your body attacks and destroys the insulin-producing beta cells in the pancreas. It has been suggested that nicotinamide protects and preserves beta cells, thereby preventing or delaying the onset of type 1 diabetes in high-risk individuals. However, research does not support the idea that nicotinamide can prevent the onset of type 1 diabetes, although it can help slow its progression by preserving beta cell function. While promising, more research is needed before nicotinamide supplementation can be recommended as an intervention for type 1 diabetes.

Supplementary types and forms

Vitamin B3 exists in the form of niacin or niacinamide and is available as a supplement alone or with other vitamins and minerals. This vitamin is also included in B-complex supplements, which Contains all eight B vitamins. Some supplements containing vitamin B3 only list niacin, but most supplements specify the form of niacin as niacin or niacinamide. Niacinamide may be included in pre-workout supplements, but niacin, the flush-causing form, is preferred in order to give consumers the feeling that a pre-workout has begun after the flush. For skin care, niacinamide is often included in facial moisturizing lotions or products used to treat acne or rosacea.

Side effects

Appropriate doses of nicotinamide are generally well tolerated, primarily because excess nicotinamide is excreted in the urine. There have been reports of minor side effects associated with nicotinamide, such as stomach upset, nausea and headache. It has also been suggested that nicotinamide may increase insulin resistance a hallmark of type 2 diabetes, but the evidence is inconsistent. That said, the best practice is to consult with your healthcare provider to assess your personal risk before supplementing with niacinamide, or any supplement for that matter.
Nicotinamide supplement or anything related to this Related Supplements

Summary

Nicotinamide is a form of vitamin B3 (niacin) that plays an important role in energy metabolism and cellular health. It may provide benefits related to skin care and skin cancer, as well as chronic kidney disease and type 1 diabetes. Niacinamide is generally considered safe, with few side effects at appropriate doses. It is available as a dietary supplement and is a common ingredient in skin care products. However, it's best to talk to your healthcare provider before trying niacinamide.

Review

All comments are moderated before being published

HealthyPIG Magazine

View all
牛肉與腸道微生態:人體點樣反應?

牛肉與腸道微生態:人體點樣反應?

牛肉進入身體之後會發生咩事? 食牛肉之後,身體會進入「高蛋白消化模式」: 胃部階段:胃酸(pH約2)與胃蛋白酶一齊將牛肉蛋白質分解成小分子胺基酸鏈。此時釋放「胃泌素(gastrin)」促進更多酸及酶分泌。 小腸階段:十二指腸接收食糜後,胰臟釋出胰蛋白酶、脂肪酶,肝臟釋出膽汁乳化脂肪。 ...
從嗜睡症、慢脈搏到米諾地爾 (Minoxidil) 的全身動力學

從嗜睡症、慢脈搏到米諾地爾 (Minoxidil) 的全身動力學

當身體進入「慢模式」——嗜睡症與自律神經的連結 嗜睡症(Narcolepsy)是一種大腦覺醒系統的紊亂,患者在日間容易突然進入睡眠狀態。但其實,嗜睡症不止影響「睡眠」,還會影響全身的 自律神經系統 (Autonomic Nervous System)。 自律神經負責調節: 心跳快慢(交感與...
降血壓,唔一定靠藥!了解身體機制,從生活開始調節

降血壓,唔一定靠藥!了解身體機制,從生活開始調節

高血壓唔係「年紀大」嘅專利,愈來愈多年輕人都有血壓偏高。其實,血壓高並非只係「壓力大」咁簡單,而係整個身體系統出問題:心臟、血管、腎臟、神經、荷爾蒙都有份參與。

原糖 vs 紅糖 vs 白糖:哪一種更健康?

原糖 vs 紅糖 vs 白糖:哪一種更健康?

日常生活中,我們常見的糖有「原糖」、「紅糖」與「白糖」。三者外觀、味道甚至用途都略有不同,但在營養與健康層面上又有幾大差異。本文將帶你深入了解它們的製作方式、特性與對身體的影響。

籃球係有氧運動嗎?— 一文睇清有氧同無氧運動嘅分別、好處同平衡之道

籃球係有氧運動嗎?— 一文睇清有氧同無氧運動嘅分別、好處同平衡之道

籃球係全球最受歡迎嘅運動之一,無論係街場隨意投籃、定係正式比賽,都可以幫助身體活動。但你有冇諗過,籃球到底屬於「有氧運動」定「無氧運動」?兩者又有咩分別?點樣玩先至最有益身體?

本文會同你用簡單角度拆解「有氧」同「無氧」嘅概念,並講解籃球點樣同時結合兩者,最後再分享點樣令你嘅籃球運動更健康、更有效。

男士禿頭對策:了解雄性禿與5%米諾地爾(Minoxidil)生髮原理

男士禿頭對策:了解雄性禿與5%米諾地爾(Minoxidil)生髮原理

雄性禿是什麼?為何只在頭頂出現? 好多男士年過25歲開始發現頂部頭髮越來越稀疏,但前額線卻似乎仍然正常,這情況其實非常典型。這種情況稱為 雄性禿 (Androgenetic Alopecia),是男性最常見的脫髮原因之一。 主要成因來自兩方面: 遺傳基因:如果父母其中一方有禿頭問題,後代的...
發現死老鼠點處理?

發現死老鼠點處理?

喺屋企、後花園、廚房甚至車房發現一隻「死老鼠」唔係罕見事,但好多屋主第一時間會「嚇親」或者「即刻掃走」。其實咁樣反而危險!
死鼠可能帶有漢他病毒、鈎端螺旋體病、沙門氏菌等病原體,一旦處理唔當,吸入塵埃或者接觸體液,都可能感染疾病。以下教你一套澳洲、香港、台灣都適用嘅安全清理步驟。

老鼠與大鼠的衛生影響:對人體與家居健康的真正威脅

老鼠與大鼠的衛生影響:對人體與家居健康的真正威脅

「老鼠」同「大鼠」雖然都屬於齧齒類,但牠哋對人類健康嘅影響有明顯分別。本文會詳細講解牠哋嘅衛生差異、疾病傳播途徑、同預防方法

無人機醫療配送:低空經濟下的香港新契機

無人機醫療配送:低空經濟下的香港新契機

  無人機醫療配送:低空經濟下的香港新契機 —— 從健康、醫療金融到商業模式的全球比較與啟示 在香港「低空經濟」監管沙盒下,無人機由數碼港跨海至長洲醫院,約 12 公里航線僅需 18–20 分鐘,相比傳統 45–65 分鐘大幅提速。本文聚焦醫療價值、醫療金融回報與商...