转自：中国科学报 在宝妈备孕社群里，"补充维生素D"是流传甚广的"经验之谈"。尤其对于多囊卵巢综合征（PCOS）的女 性，它常被视为辅助生殖路上的一个"加分项"。但这个辅助手段，真有用吗？近日，浙江大学医学院附 属妇产科医院在国际医学期刊《英国医学杂志》上发表论文，为这个备受关注的问题提供了迄今为止最 高级别的循证答案。 这项由浙大妇院张丹教授团队领衔，悉尼大学NHMRC临床试验中心王睿高级研究员团队、北京大学第 三医院李蓉教授团队等共同完成的研究发现，对于准备接受体外受精-胚胎移植辅助生殖技术（IVF- ET）的多囊女性，术前常规补充维生素D虽能显著提升血液中的维生素D水平，但并未显著提高最终的 活产率。 多囊备孕，补充维D能提高"命中率"吗 多囊卵巢综合征是育龄期女性最常见的内分泌及代谢紊乱性疾病之一，全球患病率约在5%至20%之 间，是导致女性无排卵性不孕的首要病因。当自然受孕困难、诱导排卵助孕无效时，体外受精-胚胎移 植是这些患者重要的解决方案。 在辅助生殖领域，每一个"可能有用"的建议都牵动着备孕家庭的心。维生素D就是一个经常被"cue"到 的"助孕帮手"。因为它不仅与骨骼健康紧密相关，其受体还广泛 ...

维生素D不仅是维持骨骼健康的关键营养素，还与免疫力、心血管健康、情绪调节等密切相关，但很多 人可能没有意识到自己存在摄入量不足问题。 《维生素D及其类似物的临床应用共识(2025版)》显示，我国维生素D缺乏患病率为61.3%，维生素D不 足患病率为91.2%。 《生命时报》综合多位专家观点，总结缺乏维生素D的后果，并给出科学摄入方案。 维生素D影响身体多项功能 很多看似不相干的健康困扰，背后可能指向同一个"致病"因素：维生素D缺乏。 影响脂肪的分解利用 武汉市中心医院慢病管理中心主任医师丁胜表示，维D的脂溶性和疏水特性，可以参与调节脂肪细胞的 合成与分解，从而影响脂肪组织的代谢活动。 当体内维D明显缺乏时，脂肪的分解和利用会受到影响，从而导致脂肪累积增加，体重增长。 首都医科大学附属北京朝阳医院营养科主任贾凯表示，尤其是年龄35岁以上人群，身体新陈代谢可能开 始变缓慢，身上脂肪变多，可尝试着补充一些和脂肪燃烧、身体代谢相关的维生素，如维生素D，有助 避免脂肪堆积，加速新陈代谢。 国际医学期刊《阿尔茨海默病》杂志上发表的一项研究，分析了美国国家阿尔茨海默病协调中心的 12388名无痴呆症、平均年龄为71岁的参与 ...

Core Insights - The article emphasizes the connection between emotional well-being and nutritional deficiencies, suggesting that persistent anxiety and low mood may indicate a need for specific nutrients [1][15] Nutritional Components for Emotional Health - **B Vitamins**: Essential for synthesizing neurotransmitters like serotonin and dopamine; deficiencies can lead to depression [2] - **Magnesium**: Acts as a natural sedative and regulates stress response; modern diets often lack sufficient magnesium [3][4] - **Omega-3 Fatty Acids**: Important for brain cell structure and function; adequate intake can reduce depression risk by 30% [5][6] - **Vitamin D**: Linked to mood regulation; deficiency is common due to increased indoor living [7][8] - **Zinc**: Crucial for neurotransmitter storage and release; deficiency can disrupt emotional regulation [9][10] - **Probiotics and Prebiotics**: Support gut-brain communication, contributing to emotional stability [11][12] Self-Assessment for Nutritional Deficiencies - Symptoms indicating potential nutritional deficiencies include fatigue (B vitamins), muscle tension (magnesium), memory issues (Omega-3), seasonal mood changes (Vitamin D), taste loss (zinc), and gut issues (gut microbiome imbalance) [13][14] Dietary Recommendations - High-stress individuals should increase magnesium and Vitamin C intake; women experiencing premenstrual mood swings may benefit from additional Vitamin B6 and magnesium [14] - Seasonal affective disorder may require monitoring and supplementation of Vitamin D during fall and winter [14] Conclusion - The article concludes that understanding the relationship between nutrition and emotions can help build resilience; effective emotional management may start with dietary choices [15]

Core Viewpoint - Calcium is essential for the human body, playing a crucial role in bone health, nerve signal transmission, muscle contraction, and blood coagulation. However, many individuals experience calcium deficiency as they age, leading to health issues such as osteoporosis and fractures. Proper calcium supplementation is necessary to avoid common misconceptions and ensure effective intake. Misconceptions about Calcium Supplementation - Misconception 1: More calcium leads to stronger bones. The truth is that the body has a limited capacity to absorb calcium, with recommended daily intake for adults being 800-1000mg, and 1000-1200mg for those over 50. Excessive calcium can lead to health risks such as hypercalcemia and kidney stones [1]. - Misconception 2: Bone broth and shrimp shells are excellent calcium sources. In reality, bone broth contains only about 2-3mg of calcium per bowl, significantly less than milk [2]. - Misconception 3: Only calcium is needed, without vitamin D. Vitamin D is crucial for calcium absorption, and both should be supplemented together [4]. - Misconception 4: Taking calcium on an empty stomach is better. The absorption of calcium carbonate requires stomach acid, so it is better taken with meals [5]. - Misconception 5: Only the elderly need calcium. Calcium intake is important throughout life, as peak bone mass is reached between ages 25-30 [6]. - Misconception 6: Calcium can cure osteoporosis. Osteoporosis requires comprehensive treatment, and calcium alone is not a solution [7]. Proper Calcium Supplementation - The principle of calcium supplementation is to prioritize dietary sources first, and then use supplements if necessary [8]. - Dairy products such as milk, yogurt, and cheese are excellent sources of calcium, with 100ml of milk containing over 100mg of calcium. For those who are lactose intolerant, other dairy products can be alternatives [9]. - Leafy greens like bok choy, edamame, and shepherd's purse have high calcium content, with 100g containing 108mg, 135mg, and 294mg of calcium respectively [9]. - Certain soy products can also be good sources of calcium, such as firm tofu (138mg/100g) and soft tofu (116mg/100g) [9]. Vitamin D and Its Importance - Vitamin D is essential for calcium absorption, and individuals should ensure adequate levels through sunlight exposure, diet, or supplements [10][11]. - Daily supplementation of 800-1000 IU is recommended for adults, with an increase to 1000-1200 IU for the elderly [13]. Choosing Calcium Supplements - Calcium supplements are categorized into inorganic calcium (e.g., calcium carbonate), organic acid calcium, natural calcium, and new-type calcium. Inorganic calcium is the most commonly used but may not be suitable for individuals with low stomach acid [14]. - Organic acid calcium can be taken with or without food and is suitable for those with low stomach acid [15]. - Natural calcium sources, while labeled as "natural," may not be suitable for long-term use [16]. - New-type calcium supplements have better absorption but are generally more expensive and contain lower calcium levels [17]. Key Details for Calcium Supplementation - It is more effective to take calcium in divided doses rather than all at once, especially if the daily requirement exceeds 500mg [18]. - Timing of calcium intake is important; calcium carbonate should be taken with meals, while calcium citrate can be taken at any time [18]. - Certain medications can interfere with calcium absorption, and individuals should space out calcium intake from these medications [18]. - Some foods high in oxalates and phytic acid can hinder calcium absorption and should be consumed cautiously [18]. Caution for Specific Populations - Certain individuals, such as those with hypercalcemia, kidney stones, hyperthyroidism, or renal insufficiency, should consult a doctor before supplementing calcium [19].

Group 1 - In 2025, 75.6% of consumers will choose nutritional health products for themselves and their families, indicating a shift towards proactive health management [1][2] - The demand for nutritional supplements is becoming more precise, with consumers focusing on core ingredient efficacy and specific health needs [1][2] - The market for nutritional health products is expected to grow significantly, with a 67% year-on-year increase in product offerings on platforms like JD Health [2][3] Group 2 - Key nutritional products include Vitamin D, fish oil, glucosamine, lutein, and milk thistle extract, which are aligned with major health concerns such as immune support and joint health [2][3] - The consumer base for fish oil is expanding, with 51% of consumers purchasing fish oil products, and high purity Omega-3 becoming a primary consideration [4][6] - The growth of glucosamine products is notable, with a 214% increase in product offerings on JD Health, reflecting a broader demographic interest in joint health [20][23] Group 3 - Vitamin D products are seeing a 149% increase in sales, driven by awareness of its importance for various demographics, particularly among young office workers [15][16] - The market for milk thistle extract is growing, with over 80% of consumers focusing on liver health, particularly among those with high-stress lifestyles [28][31] - Lutein products are primarily targeted at school-age children, with a focus on protecting eye health amid increased screen time [36][37]

Core Viewpoint - Vitamin D is a crucial nutrient for maintaining human health, and its deficiency is prevalent in Guizhou due to insufficient sunlight exposure and dietary limitations [1][2]. Group 1: Importance of Vitamin D - Vitamin D aids in bone health by regulating calcium balance and maintaining normal blood calcium levels, preventing conditions like rickets in children and osteoporosis in the elderly [2]. - It also functions as an immune system regulator, enhancing the activity of immune cells and reducing the risk of infections and autoimmune diseases [2]. Group 2: Vitamin D Deficiency in Guizhou - Guizhou is identified as a "disaster area" for Vitamin D deficiency, primarily due to high cloud cover and limited sunlight exposure, which hinders the skin's ability to synthesize Vitamin D [2]. - The average dietary intake of Vitamin D in China meets only 10%-15% of daily requirements, with Guizhou residents consuming even fewer Vitamin D-rich foods like deep-sea fish [2]. Group 3: Recommendations for Supplementing Vitamin D - A combination of sunlight exposure, dietary intake, and supplements is recommended for effective Vitamin D supplementation [3]. - Sunlight exposure should be 10-20 minutes 2-3 times a week, with adjustments based on seasonal sunlight intensity [3]. - Dietary sources should prioritize animal-based Vitamin D3, with recommendations including deep-sea fish, egg yolks, and fortified milk [4]. - Supplementation is advised for high-risk groups, with specific daily intake recommendations based on age and health status, ensuring not to exceed 2000 IU to avoid toxicity [4].

Core Viewpoint - The alternative medicine industry in the U.S. is a $34 billion market, gaining mainstream acceptance despite concerns about its efficacy and potential for exploitation [1][2]. Industry Overview - Alternative medicine includes practices like acupuncture, chiropractic care, and herbal supplements, with 42% of hospitals offering some form of alternative therapy due to patient demand [1][2]. - The National Center for Complementary and Integrative Health (NCCIH) has spent approximately $1.6 billion on research into alternative therapies since its establishment in 1999, often finding that many popular treatments lack scientific support [4][5]. Efficacy of Popular Treatments - Studies funded by NCCIH have shown that several widely used alternative treatments, such as ginkgo biloba for memory enhancement and St. John's wort for depression, do not outperform placebos [7][8]. - Research on garlic for cholesterol management and saw palmetto for prostate enlargement also revealed no significant benefits compared to placebo treatments [9][10][11]. Regulatory Environment - The Dietary Supplement Health and Education Act allows dietary supplements to be sold without prior FDA approval, leading to a lack of regulation and potential misinformation about their effectiveness [3]. - The NCCIH may conduct post-market evaluations, but ineffective products are not recalled or relabeled, leaving consumers unaware of misleading claims [3]. Conclusion - The distinction between effective and ineffective treatments is crucial, as only those proven effective through rigorous testing should be considered valuable [16].

Investment Rating - The report rates the nutrition supplement industry in China with a compound annual growth rate (CAGR) of 10.4%, indicating strong growth potential and positioning China as a leading growth engine globally [18][19]. Core Insights - The global nutrition supplement market is expected to grow from $189.2 billion in 2024 to $402.2 billion by 2034, driven by increased health awareness, aging populations, lifestyle changes, and product innovation [6][8]. - China's nutrition supplement market is projected to reach $466 billion by 2034, with significant growth driven by policy support, generational demand, and consumption upgrades [19][20]. - The market is characterized by a shift from standardized products to personalized nutrition strategies, particularly through age and gender-specific formulations [60][71]. Summary by Sections 1. Global and Chinese Nutrition Supplement Market Landscape - The global market is experiencing rapid growth, with a CAGR of 7.8% from 2024 to 2034, influenced by health awareness, aging populations, lifestyle changes, and product innovation [6][10]. - The Asia-Pacific region leads in market share and growth rate, with China achieving a 10% growth rate, making it the most dynamic growth area globally [12][13]. 2. Industry Development Trends and Innovations - The market is transitioning from trend-driven consumption to a more rational, demand-based approach, emphasizing the need for personalized nutrition solutions [43][46]. - There is a notable increase in the demand for probiotics and immune-boosting products, with iron supplements emerging as a star category due to heightened health awareness [39][40]. 3. Consumer Insights on Nutrition Supplement Needs and Behaviors - There is a growing awareness of proactive nutrition among consumers, with six key segments driving rapid demand growth [3][3]. - The market is witnessing a significant shift towards online sales channels, which now dominate with a 56% market share, while traditional channels are declining [22][24]. 4. Future Trends and Opportunities in the Nutrition Supplement Industry - The industry is moving towards precision nutrition and technological innovation, with a focus on multi-dimensional strategies and localized innovations driving brand growth [4][4]. - The report highlights the importance of age and gender-specific nutrition strategies, which are gaining acceptance among consumers, indicating a shift towards more tailored health solutions [60][71].

Global and China Nutritional Supplement Market Landscape - The global nutritional supplement market is expected to grow from $189.2 billion in 2024 to $402.2 billion by 2034, with a compound annual growth rate (CAGR) of 7.8% driven by health awareness, aging population, modern lifestyle, and product innovation [8][12][17] - The Asia-Pacific region is the largest market, accounting for 38% of the global share in 2024, with China leading the growth at a rate of 10%, projected to reach $25.9 billion in 2024 and $46.6 billion by 2034, with a CAGR of 10.4% [12][17][19] Industry Development Trends and Innovations - The market is shifting from trend-driven consumption to a more rational, demand-based approach, with a focus on personalized nutrition strategies based on age and gender [2][35] - Asian dietary characteristics necessitate targeted nutritional solutions, as common deficiencies in micronutrients are prevalent due to dietary habits and cooking methods [38][39] Consumer Nutritional Needs and Behavioral Insights - There is an increasing awareness of proactive nutrition among consumers, with six key segments driving demand: cardiovascular health, liver health, sleep issues, etc. [3][3][3] - The average per capita consumption in China is only $23.3, significantly lower than in mature markets, indicating substantial growth potential [24][25] Future Trends and Development Opportunities - Precision nutrition and technological innovation are expected to reshape the industry landscape, with local innovation and multi-channel strategies driving brand growth [4][4][4] - The cross-border e-commerce segment is experiencing rapid growth, with a notable concentration of market share among top brands, creating opportunities for new entrants [22][23]

Core Viewpoint - Osteoporosis is increasingly recognized as a silent epidemic, with various lifestyle factors affecting bone health, prompting experts to provide guidance on maintaining healthy bones during the "2025 Healthy Bones Science Communication Conference" in China [1] Group 1: Risk Factors for Osteoporosis - Both low body weight and obesity increase the risk of fractures, with abdominal obesity being particularly concerning [2] - Rapid weight loss can lead to nutritional deficiencies, hormonal imbalances, and increased fracture risk, especially in young women [2] Group 2: Age and Bone Health - Bone mass begins to decline significantly between the ages of 40 and 50, marking a critical point for osteoporosis prevention [3] Group 3: Vitamin D and Sun Exposure - Adequate sunlight exposure is essential for vitamin D synthesis, and excessive sun protection can hinder this process [4] - Dietary sources of vitamin D include fatty fish, and supplements are recommended for those with insufficient sun exposure [4] Group 4: Treatment Approaches - Calcium supplementation alone is insufficient for managing osteoporosis; a combination of calcium, vitamin D, and other medications is necessary for effective treatment [5]