Is it better to take vitamin A in the morning or at night?

Author: Dr. Damon Bogisich MD  |  Last update: Tuesday, April 8, 2025

You should take your multivitamins in the morning with a meal so you can ease absorption. However, if that causes stomach pain, try taking it before bed. Remember, the most important thing is to make them a part of your daily routine.

Should I take vitamin A at night or day?

In the evening, vitamin A stimulates cellular regeneration and corrects signs of ageing. In the morning, vitamin C and sunscreen help to protect the newly-regenerated skin from environmental damage while boosting collagen and radiance.

Can I take vitamin A before bed?

Timing matters

Although taking a vitamin at night is unlikely to have a harmful effect, a daytime approach is ideal for maximum effectiveness. To avoid sleepless nights and ensure the body absorbs as many nutrients as possible, consider taking the supplement in the morning.

Which vitamins should not be taken at night?

6 supplements you should not take at night!
  • Vitamins B.
  • Multivitamins and energy herbs.
  • Vitamin D.
  • Calcium.
  • Vitamin C.
  • Zinc.

What is the best time to have vitamin A?

When is the best time to take vitamin A? As vitamin A is fat-soluble, rather than water-soluble, it's essential that you take it with some form of fat. Otherwise, your body won't be able to absorb the vitamin. For this reason, it's usually advised that you take a vitamin A supplement with a meal.

10 Symptoms of Vitamin B12 Deficiency You Should Never Ignore

What to avoid when taking vitamin A?

Possible interactions include:
  • Anticoagulants. Oral use of vitamin A supplements while taking these medications used to prevent blood clots might increase your risk of bleeding.
  • Bexarotene (Targretin). ...
  • Hepatotoxic drugs. ...
  • Orlistat (Alli, Xenical). ...
  • Retinoids.

What is the rule for vitamin A?

The DV for vitamin A is 900 mcg RAE for adults and children age 4 years and older [11], where 1 mcg RAE = 1 mcg retinol, 2 mcg beta-carotene from supplements, 12 mcg beta-carotene from foods, 24 mcg alpha-carotene, or 24 mcg beta-cryptoxanthin.

Which two vitamins should not be taken together?

7 Supplement Combos You Should Never Take Together, According to Dietitians
  • Zinc & Calcium.
  • Iron & Zinc.
  • Iron & Calcium.
  • Magnesium & Zinc.
  • St. John's Wort & Serotonin Supplements.
  • Ginkgo Biloba & Fish Oil.
  • St. John's Wort & Ginseng.
  • Things to Consider.

What is the best vitamin to take at night?

Vitamin B12 is involved in the process of creating melatonin. View Source , the hormone that helps control sleep. Preliminary research suggests that a lack of vitamin B12 may be linked to short sleep, trouble sleeping, and excessive daytime sleepiness. Vitamin B6 may benefit people with insomnia.

Which vitamin deficiency causes insomnia?

Specifically, vitamin D deficiency (VDD) can increase risk of sleep disorders and is associated with sleep difficulties, shorter sleep duration, and nocturnal awakenings in children and adults [13,14,15]. The exact mechanisms by which vitamin D regulates sleep are still far from being elucidated.

Does vitamin A interfere with sleep?

Previous human studies reported that lower vitamin A intake levels were associated with disturbed wake–sleep cycles (42), and crocetin (a natural carotenoid compound) supplementation improved sleep time and quality (43–46).

Why take magnesium at night?

Magnesium is a mineral involved in hundreds of processes in our bodies. One of the things that it does is to help relax our muscles, so magnesium can be effective in promoting relaxation before sleep.

Is it okay to lay down after taking vitamins?

Do not lie down for at least 10 minutes after taking the tablets or capsules. Consult your doctor or pharmacist for details for your particular brand. If you are taking the delayed-release form or extended-release capsules, swallow them whole.

How do you know if your vitamin A is low?

Symptoms
  • Difficulty seeing in the dark or night blindness (Nyctalopia).
  • Dry corneas or the whites of the eyes (Xerophthalmia)
  • Bitot spots in the whites of the eye.
  • Sores in the corneas (Corneal ulcers)
  • Cloudy corneas (Keratomalacia) If left untreated, these symptoms can lead to blindness.

Does it make a difference if you take vitamins in the morning or at night?

However, taking your supplements at night isn't a good practice because your digestion and metabolism slow down when you're asleep. This means that when you take vitamins at night, they are not absorbed as efficiently as during the day. The best time to take vitamins really depends on the type of vitamin you're taking.

How long does vitamin A stay in your system?

That means it is absorbed into the body with dietary fat, and then stored in the body's own adipose tissue. As a result, you can store enough vitamin A to last for months, but if you take in more than you need, it will slowly build up in your body's tissues.

What is the best vitamin for stress and anxiety?

Vitamins that help with stress include vitamin D, C, and B complex. Other potentially helpful supplements include ashwagandha, L-theanine, magnesium, melatonin, and ginseng. Modern lifestyles can be high-pressure, so stress has become an inevitable part of many people's lives.

What is the most powerful supplement for sleep?

Melatonin. The hormone melatonin helps control your natural sleep-wake cycle. Some research suggests that melatonin supplements might be helpful in treating jet lag or reducing the time it takes to fall asleep — although the effect is typically mild. Side effects can include headaches, nausea and daytime sleepiness.

What vitamins do not mix with vitamin A?

Some vitamins that should not be taken together, or have dosage limitations, include vitamin C with vitamin B-12, vitamin A supplement with vitamin A-rich foods, folic acid (vitamin B9) and vitamin B12, and vitamin E with vitamin K.

What is vitamin A good for?

Vitamin A is important for normal vision, the immune system, reproduction, and growth and development. Vitamin A also helps your heart, lungs, and other organs work properly. Carotenoids are pigments that give yellow, orange, and red fruits and vegetables their color.

What vitamins cancel each other out when taken together?

What Vitamins Should You Avoid Taking Together?
  • Iron and Calcium. ...
  • High doses of Iron and Zinc. ...
  • High doses of Calcium, Zinc or Magnesium. ...
  • Copper and Zinc. ...
  • B Vitamins. ...
  • Vitamin C and Zinc. ...
  • Iron and Vitamin C. ...
  • What About Multivitamins?

How much vitamin A per day is ok?

The total vitamin A content of a food is usually expressed as micrograms (µg) of retinol equivalents (RE). The amount of vitamin A adults aged 19 to 64 need is: 700 µg a day for men. 600 µg a day for women.

Which vitamin is good for the eyes?

Vitamin A, also known as retinol, produces the pigments in the retina of the eyes. More importantly, it is a vital nutrient for the photoreceptors in your eyes, which determine vision quality in low-light conditions.

Which vitamin is good for hair?

Ans: The best vitamins for a good hair care experience are Vitamin B12, Vitamin C, Vitamin D, and Vitamin E. They should be ably supported with other nutrients and minerals like Zinc, Biotin, Iron, and Keratin for the best results.

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