Magazine | How vitamin D can add years to your life

How vitamin D can add years to your life

Written by Batool Hassan 5 min read
How vitamin D can add years to your life

Vitamin D, often referred to as the "sunshine vitamin," is a vital nutrient that plays a starring role in your overall health and longevity. It's more than just about building strong bones – think of it as a superhero with superpowers that touch almost every aspect of your well-being. Intrigued? Let's dive deeper! 

Essential for Bone Health and Beyond

When its about bone health we all know that calcium is crucial and important, but vitamin D is the behind-the-scenes director, which ensures proper absorption of calcium. Insufficient amount of  vitamin D in the body can make bones become weak and brittle, increasing the risk of fractures buts that's not all.  Vitamin D also flexes its muscles in regulating your immune system, keeping you shielded from infections and illnesses. Think of it as your body's armor!

How to Get Your Daily Dose of Vitamin D

The Sunshine Energy

The sun is the primary source of vitamin D. Your body starts producing vitamin D just as those summer rays fall on your skin and body. Now you might be wondering what about winter? Specially if you live in a place with limited sunshine? Don't worry, there are other ways to get your daily dose.

Food Sources: 

Some foods are excellent sources of vitamin D such as fatty fish like salmon, tuna, and mackerel. Mushrooms that have been exposed to UV light also contain vitamin D.

Fortified Foods: 

Many foods, such as milk, cereals, and orange juice, are fortified with vitamin D, making it an easy way to boost your intake.

Vitamin D Supplements: 

If you're deficient in vitamin D or have limited sun exposure, talk to your doctor about supplements.

Potential Disease Prevention

Research suggests that adequate vitamin D levels might be linked to a reduced risk of chronic diseases such as heart disease, diabetes, and even certain cancers. While more studies are needed to fully understand the cause-and-effect relationship, keeping your vitamin D levels in check can be a powerful step towards a healthier you.

Cardiovascular Health

Research indicates that low serum vitamin D levels are associated with heightened risks of cardiovascular diseases (CVD), which are among the leading causes of mortality globally.

Metabolic Disorders

Vitamin D is also recognized for its role in glucose metabolism and the prevention of diabetes. Several studies have found an inverse relationship between vitamin D levels and the risk of developing type 2 diabetes and glucose intolerance. Deficiency in vitamin D may lead to insulin resistance, thereby exacerbating the risk of metabolic disorders.

Cancer

The relationship between vitamin D and cancer remains complex. Although current literature does not robustly support a direct role of vitamin D in cancer risk reduction, some observational studies suggest that adequate vitamin D levels may be inversely related to the risk of certain cancers.Despite the need for more definitive evidence, the immunomodulatory effects of vitamin D could potentially contribute to reduced cancer risk through enhanced immune response and regulation of cellular differentiation

Immune Function

Vitamin D is an essential immunomodulatory hormone that influences both the innate and adaptive immune systems. A deficiency in vitamin D has been recognized as a risk factor for respiratory infections and has been linked to increased severity of illnesses such as pneumonia. Given its vital role in immune regulation, maintaining sufficient vitamin D levels is important for overall health and longevity, particularly in older adults whose immune systems may already be compromised.

Are You Getting Enough Sunshine Vitamin?

Many people, especially older adults, and individuals with limited sun exposure, are at risk of vitamin D deficiency. The best way is to have a simple blood test which can determine your vitamin D levels. If you're deficient, don't fret!  There are practical steps you can take to increase your intake and unlock the incredible health benefits of vitamin D.

Research and Studies 

The Role of Vitamin D in Aging

Numerous studies have highlighted the significance of vitamin D in promoting healthy aging and longevity. Research indicates that adequate levels of serum vitamin D can help mitigate the effects of aging by supporting cellular functions and reducing inflammation, which is crucial given the impact of chronic inflammation on age-related degeneration.

Vitamin D Deficiency and Age-Related Diseases

A meta-analysis showed that vitamin D deficiency is prevalent among older adults, particularly those living in lower-middle-income countries.The implications of this deficiency are serious, as low levels of vitamin D have been linked to an increased risk of developing conditions such as osteoporosis, cardiovascular diseases, and cognitive decline

Vitamin D and Telomere Biology

Recent studies have suggested a connection between vitamin D and telomere biology, an area crucial to understanding cellular aging. Telomeres, which protect the ends of chromosomes and maintain genomic stability, shorten with each cell division and are considered markers of cellular aging.

Practical Sunshine Tips for Daily Living

Embrace the Morning Sun: 

Aim for 10-15 minutes of unprotected sun exposure (without sunscreen) on your face, arms, or legs during the early morning hours.

Dietary Choices: 

Include vitamin D-rich foods like fatty fish and fortified products in your diet.

Supplementation: 

Consider taking vitamin D supplements, especially if you have limited sun exposure or belong to a high-risk group.

Talk to Your Doctor: 

Discuss your vitamin D levels and needs with your doctor to create a personalized plan.
By incorporating these tips and maintaining healthy vitamin D levels, you can empower your body tofight off illness, promote strong bones, and potentially reduce your risk of chronic diseases. So, step into the sunshine, embrace the power of vitamin D, and invest in a longer, healthier you!

Published: January 9th, 2025 · Updated: February 3rd, 2025

References

Author: Batool Hassan

A health enthusiat making great impact by embracing healthier habits and lifestyle. The goal is to be the best version of myself.

Discover trusted longevity brands
and expert health stacks

Stop wasting money on ineffective products
Save up to 5 hours of research per week
Delivered to your inbox every Thursday

You might also like

The 9-hour athlete: top 10 sleep secrets for peak performance
Recovery

3 min read

The 9-hour athlete: top 10 sleep secrets for peak performance

Imagine yourself in a perfect world. Your mood is vibrant and positive. Your brain functions at peak efficiency. Your body feels healthy, energetic, and capable.In this perfect world, you’re not only eating a balanced diet and following an ideal training routine, but you’re also getting enough restorative sleep to unlock your full potential.Restful sleep is absolutely essential for your health, as well as your physiological and psychological recovery and performance.How much sleep should you get, and what happens when you don’t?Adults should aim for 7 to 9 hours of sleep per night to fully recover their body and mind. High-performance athletes are recommended to get at least 9 hours of sleep per night.Sleep should be given the same importance as training and nutrition. Just as you need more calories than the average person, you also need more restorative sleep.Unfortunately, the reality is often different. Many athletes sleep too little or have disturbed sleep. Training and competition demands, along with external stressors, can affect both the need for and quality of sleep. This, in turn, can negatively impact mood and performance.A U.S. study involving 189 college athletes found that:68% reported poor sleep quality87% slept less than or equal to 8 hours per night43% slept fewer than 7 hours per nightThe consequences of sleep deprivation on performance and health include:Impaired sprint ability: A study on male team athletes showed that sleep deprivation reduced both average and total sprint times.Decreased accuracy: Tennis players experienced up to a 53% reduction in serve accuracy after sleep deprivation.Slower reaction times: Sleep deprivation significantly impaired reaction times among male college athletes.Faster exhaustion: Lack of sleep can reduce the time to physical exhaustion by up to 30%.Example: After a poor night’s sleep before a 10,000-meter race, you may hit physical exhaustion as early as 7,000 meters.Impaired learning and decision-making: Sleep deprivation negatively affects executive functions.Examples: It becomes harder to retain learned motor skills from training and recall them during competition. You’re also more likely to make poor decisions, such as rushing a shot instead of passing the ball during play.Increased stress and risk of burnoutHormonal and metabolic disturbances: These can contribute to weight issues.Weakened immune system: This increases your risk of infections, particularly colds and upper respiratory illnesses.Higher injury risk: Chronic sleep deprivation can increase injury risk by up to 70%.Sounds far from ideal, doesn’t it? That’s why your goal should be to get sufficient and high-quality sleep on most nights — for optimal recovery, performance, and long-term health.What if that’s not possible sometimes?Here are some practical, tested tips for achieving restorative sleep: Regular sleep and wake times (max. +/- 30min) throughout the entire week, even on weekends to avoid 'social jet lag'.Cozy, high-quality bed (mattress, pillows, etc.) and a dark “sleep cave”.Avoid intensive mental or physical activities 2-3 hours before sleep.Early, balanced meal for dinner 2-3 hours before sleep.Fresh, circulating air flow and cool room temperature between 16-20°C.Sufficient sunlight exposure throughout the day — ideally right after waking up to support your circadian rhythm.Stop having caffeine (6-10 hours) and alcohol (4-5 hours) before sleep.No electronic devices (at least 1 hour) before going to sleep.Stress reduction/relaxation routine, e.g. meditation, relaxing breathing exercises (4-7-8), stretching, yoga, 'Shakti Mat', reading, journaling, etc.Power napping, no longer than 20 minutes and not later than 6-7h before bedtime to avoid negative impact on night sleep.

The scientific approach to health, performance and longevity
Personalized Medicine

4 min read

The scientific approach to health, performance and longevity

Research on entrepreneurship shows that successful innovations are made by people who are actively shaping the future, instead of waiting for the future to occur. So why should we wait for severe symptoms of diseases to show up before we start taking care of our health?Let’s go one step further in our business metaphor: it’s way too risky to build a product without testing your assumptions, gathering data, and iterating. So why should we approach our health with guesswork and generic advice? Isn’t your own health the most important “product” you are working on? In this article, I’ll explain my proactive approach to health.If there's one thing I’ve learned from years of working with agile approaches like Build-Measure-Learn (Lean Startup) or Plan-Do-Check-Act (Deming-Cycle) or iterating in sprints (Scrum), it’s this: In uncertain and complex environments, a scientific approach („Hypothesis-Experiment-Iterate“) is key! And what’s more complex than your health?Health is an experiment – so treat it like oneHuman metabolism is a vast, adaptive system. Take Magnesium, for example: it's involved in over 300 enzymatic processes. If your body is running low, it won’t just shut down; it will prioritize. My body might prioritize differently than yours, based on genetics, lifestyle, and the current situation.This is why symptoms alone rarely tell the whole story. Fatigue, brain fog, or muscle cramps could mean a Magnesium deficiency — or not. Maybe another bottleneck, like low Sodium, could cause the cramps.Instead of blindly supplementing, I follow an iterative approach:Measure – Test blood markers to identify potential deficiencies.Analyze – Use data to make informed decisions on supplementation or diet changes.Adjust – Implement changes, then re-measure after a set period.Just like in agile product development, it’s all about small, controlled experiments instead of reckless trial and error.If you are curious to dig deeper into the N=1 experimentation topic, this article by Nick Norwitz could be an inspiring next step: Paving the path for n=1 citizen science.The foundation: essential vs. semi-essential micronutrientsWhen optimizing health, I focus on essential and semi-essential micronutrients:Essential micronutrients – The body can’t produce them, so we must get them from food or supplements. These include vitamins, (trace) minerals, amino acids, and fatty acids (e.g., EPA and DHA Omega-3s).Semi-essential micronutrients – The body can produce these, but often not in sufficient amounts (especially under stress or aging).My hypothesis on (semi-) essential micronutrientsIf I ensure optimal levels of all essential and semi-essential micronutrients, my body has the best possible foundation to handle stress, infections, and daily performance demands.From my point of view, a proactive approach like this is way better than just reacting to symptoms, which might only appear when the body has already been compensating for too long.Why generic advice can be riskyYou've probably heard statements like: "Take L-tyrosine to boost dopamine for motivation!" Sounds good, right? But here’s the problem:Dopamine synthesis doesn’t just depend on Phenylalanine or Tyrosine. It also requires cofactors like Vitamin B6, Iron, and Copper. If any of these are missing, extra Phenylalanine or Tyrosine won’t help with your motivation. (Remark: this could be one reason why studies or experience reports sometimes show that one substance is not effective.)Or consider Vitamin D: If you assume you're deficient and take high doses without testing, you might overshoot and cause calcium imbalances, leading to kidney stones or arterial calcification or decrease of bone density. That’s why I always measure before and after making changes.Strategic supplementation: anticipate, don’t just reactWhile measuring is crucial, some situations call for proactive adjustments:Performance optimization – If I'm preparing for an endurance event, I do not wait for my next blood work to be sure that I am running out of electrolytes, I increase my minerals' intake in advance.Lifestyle factors – If I know I’m getting little sun exposure, I monitor vitamin D levels more closely.Drug interactions – Some medications deplete nutrients (e.g., statins lower CoQ10, birth control pills affect B vitamins). If I had to take medication long-term, I would factor this into my health plan.This isn’t about blindly taking supplements — it’s about strategic precision.Final takeaway: health, the agile wayIf you care about performance and longevity, stop relying on generic health advice. Instead, approach your body the way you'd approach building a high-performance system:Test, don’t guess – Data beats assumptions.Measure and iterate – Small adjustments, tested over time, lead to better results.Think holistically – Deficiencies and imbalances are often interconnected.Because just like in business, what you don’t measure, you can’t improve. And maybe it’s a good idea to ask someone with expertise and experience to accompany and coach you on your first steps. 

DEXA scans: the gold standard for measuring bone density and body composition
Body Composition

6 min read

DEXA scans: the gold standard for measuring bone density and body composition

Okay, let's dive deep into DEXA scans. These aren't just your average X-rays; they're a sophisticated tool that gives us a remarkable look at what's happening inside our bodies, specifically when it comes to bone health and body composition. It's like having a window into our internal landscape, revealing crucial information that can help us live healthier, longer lives.So, what exactly is a DEXA scan? DEXA stands for Dual-Energy X-ray Absorptiometry. It's a non-invasive imaging technique, widely considered the gold standard for measuring bone mineral density (BMD). But it's not just about bones; DEXA scans also provide detailed information about body composition, including fat mass, lean muscle mass, and bone mineral content. Think of it as a two-for-one deal – a comprehensive assessment of both skeletal health and body makeup.A brief history of bone density measurementIt's interesting to consider how we even got to DEXA scans. The journey to accurately measuring bone density has been a long one, actually. Osteoporosis, a condition characterized by weakened bones and increased fracture risk, was recognized as a health issue way back, but figuring out how to quantify bone loss? That was the challenge. Early attempts involved simple X-rays, which could show obvious bone thinning, but weren't very precise. Over time, researchers developed more sophisticated techniques, and finally, DEXA emerged as the clear winner. It's now the go-to method for diagnosing osteoporosis, monitoring treatment effectiveness, and even tracking changes in body composition.How DEXA scans work: The science behind the imageThe science behind DEXA scans is pretty clever. The machine uses two X-ray beams with different energy levels. These beams are directed at the body, and as they pass through different tissues (bone, fat, muscle), they are absorbed at different rates. This difference in absorption allows the DEXA scanner to calculate the density of the bone and the amount of fat and muscle tissue in the scanned area. It's kind of like the machine is "seeing" the different components of your body by how they interact with the X-rays.The procedure itself is quick and painless. You simply lie on a cushioned table, and a scanner arm moves over your body, focusing on key areas like the spine, hip, and forearm – these are common sites for osteoporosis-related fractures. The whole process usually takes between 10 and 20 minutes, and the radiation exposure is minimal, much lower than a standard X-ray.Deciphering the results: T-scores and Z-scoresOnce the scan is complete, you'll receive a report with two key scores: the T-score and the Z-score. Both are important, but they tell slightly different storiesT-score: This is the primary score used to diagnose osteopenia and osteoporosis. It compares your bone density to the average bone density of a healthy young adult (typically someone in their 20s or 30s). A T-score of -1.0 or higher is considered normal. A score between -1.0 and -2.5 indicates osteopenia, meaning you have lower than normal bone density and are at increased risk for osteoporosis. A T-score of -2.5 or lower signifies osteoporosis, a condition characterized by significantly weakened bones and a high risk of fractures.Z-score: This score compares your bone density to the average bone density of people your own age, sex, and ethnicity. It's particularly useful for younger individuals or when trying to identify underlying causes of bone loss. A low Z-score might suggest that something else is going on, like a hormonal imbalance or a nutritional deficiency.Beyond bone density: the body composition advantageOne of the really cool things about DEXA scans is that they also provide a detailed breakdown of your body composition. This includes:Fat mass: The total amount of fat in your body.Lean mass: This includes muscle, bone, and other non-fat tissues.Bone mineral content (BMC): The amount of mineral in your bones.This information can be incredibly valuable for a variety of reasons. For example, if you're trying to lose weight, a DEXA scan can tell you whether you're losing fat or muscle. This allows you to adjust your diet and exercise plan to ensure you're preserving muscle mass while losing fat. Similarly, athletes can use DEXA scans to track their muscle growth and optimize their training programs. And for individuals with certain medical conditions, like sarcopenia (age-related muscle loss), DEXA scans can help monitor muscle mass and guide treatment strategies.The role of DEXA in personalized medicineDEXA scans are playing an increasingly important role in personalized medicine. The detailed information they provide allows healthcare professionals to tailor treatment plans to individual needs. For example, someone with osteopenia might be advised to increase their calcium and vitamin D intake, engage in weight-bearing exercise, and perhaps consider medication to prevent further bone loss. And as we learn more about the link between body composition and health, DEXA scans will likely become even more valuable in preventing and managing a wide range of conditions.Where to get a DEXA scan: finding a reputable facilitySo, you're interested in getting a DEXA scan. Where do you go? Several types of facilities offer DEXA scans, including:Hospitals and medical centers: These are often the most convenient option, as they usually have the latest technology and a team of experienced professionals.Independent imaging centers: These centers specialize in imaging services and may offer more competitive pricing or more flexible scheduling.Community health centers: These centers provide healthcare services to underserved communities and may offer DEXA scans at reduced rates or on a sliding scale.To find a facility near you, you can search online directories, ask your doctor for recommendations, or contact your insurance provider for a list of in-network providers.The future of DEXA technologyThe future of DEXA scans looks bright. Researchers are constantly working to improve the technology and expand its applications. One promising area is the integration of artificial intelligence (AI) and machine learning. These technologies can help analyze DEXA scan data more efficiently and accurately, potentially identifying subtle changes in bone density or body composition that might be missed by the human eye. We may also see DEXA scans being used to assess risk for other conditions, such as cardiovascular disease and diabetes.Another exciting development is the potential for portable DEXA scanners. This would make DEXA scans more accessible to people in remote areas or those with mobility issues. Imagine being able to get a DEXA scan in your doctor's office or even at home!DEXA scans: a valuable tool for health and wellnessIn conclusion, DEXA scans are a valuable tool for assessing bone health and body composition. They provide crucial information that can help us prevent osteoporosis, manage weight, optimize athletic performance, and personalize healthcare. As the technology continues to advance, DEXA scans are poised to play an even greater role in promoting health and wellness for years to come. If you're concerned about your bone health or interested in learning more about your body composition, talk to your doctor about whether a DEXA scan might be right for you.