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Fitness trainer explains the best time to take vitamin D, iron, multivitamins and other supplements: Find out why

Timing is everything, when it comes to supplements. Fitness coach Kush Malhotra has shared his blueprint for supplement success. Here's what you should know.

Published on: Feb 07, 2026 3:59 PM IST
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In the world of nutrition, it’s not just about what you take, but when you take it. In an Instagram video posted on February 3, fitness and nutrition coach Kush Malhotra broke down the science of supplement timing, offering a strategic guide to help people get the most out of their daily regimen. Also read | Cardiologist with 30+ years of experience shares why even ‘healthy’ supplements may not protect your heart

Remember, supplements aren't a magic fix – balance is key. (Shutterstock)
Remember, supplements aren't a magic fix – balance is key. (Shutterstock)

According to Kush, aligning supplement intake with the body’s natural rhythms and digestive states can significantly enhance nutrient uptake and prevent common side effects.

The morning kickstart: iron and multivitamins

Kush recommended starting the day with iron and multivitamins, primarily because of how our digestive system functions after waking up. Taking iron in the morning is ideal because stomach acid levels are typically higher, which is necessary for breaking down and absorbing the mineral. While multivitamins are best consumed with breakfast. Since most multivitamins contain fat-soluble components (like vitamins A, E, and K), the presence of food helps the body process them more efficiently.

Kush said in Hindi: “You can take iron in the morning because stomach acid is higher in the morning, which leads to better absorption. You can take multivitamins with breakfast. This is the best time for absorbing fat-soluble vitamins.”

The mid-day fat factor: vitamin D and omega-3

For vitamin D and omega-3 fatty acids, Kush highlighted the importance of pairing them with a meal that contains healthy fats.

"You can take Vitamin D with breakfast or lunch, specifically with whichever meal has more fat," Kush explained, noting that vitamin D is fat-soluble. He also issued a specific warning regarding vitamin D: avoid taking it at night. Some studies suggest that Vitamin D can interfere with melatonin production, potentially disrupting your sleep cycle. Similarly, omega-3s were better tolerated during the day to aid digestion.

The evening wind-down: magnesium

When the sun goes down, Kush suggested reaching for magnesium. Known for its ability to support muscle function and the nervous system, it serves as a natural relaxant. Take with dinner or shortly before bed. "It relaxes the body and improves your sleep quality," Kush said, making it a perfect tool for recovery after a long day.

While timing can provide a significant edge, Kush concluded with a reality check: supplements are not a magic fix for a poor routine. "Remember, these supplements will only be effective if your overall lifestyle is balanced," he said. Proper sleep, consistent exercise, and a whole-food diet remain the foundation of health; supplements are simply the finishing touches.

Note to readers: This report is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.

This article is for informational purposes only and not a substitute for professional medical advice.

  • Sanya Panwar
    ABOUT THE AUTHOR
    Sanya Panwar

    With a keen eye for detail and a heart for storytelling, Sanya is a seasoned lifestyle journalist who has spent over a decade documenting the intersection of aesthetics and substance. Since stepping into the media world in 2012, she has cultivated a career defined by versatility, curiosity, and an unwavering passion for what makes life both beautiful and meaningful. Over the last many years, she has navigated the fast-paced realms of health, wellness, fitness and fashion while pivoting seamlessly into the nuances of decor and travel. Her work often explores the deeper layers of modern living, delving into art and decor trends that transform spaces, insightful perspectives on gender, parenting, and mental health, immersive travel narratives that capture the essence of a destination. A self-proclaimed aesthetics enthusiast, Sanya doesn't just report on trends — she analyses them. Whether she’s identifying the next shift in fitness or discovering a breakthrough in design, she uses her platform to spark meaningful conversations that resonate with a contemporary audience. Sanya is an alumna of St. Xavier’s College, Kolkata, and the Asian College of Journalism (ACJ), Chennai, where she honed the investigative rigour she brings to her lifestyle reporting today. When she isn't chasing deadlines or conducting interviews, Sanya practices what she preaches. You’ll likely find her sipping matcha, practicing yoga, or scouting the newest cafes. Above all, she finds her balance in nature — whether it's a quiet hike or a moment of reflection in the outdoors, she remains constantly inspired by the tranquillity of the natural world.Read More

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