Supplements to Increase Metabolism After 40

These days, there are countless sorts of vitamins and supplements available. Therefore, it should not be surprising that vitamins for metabolism are becoming popular in the wellness industry. 

Metabolism is the process of converting foods into energy to fuel body functions. Your body can then move, breathe, digest food, circulate blood, and repair damaged tissues and cells. If your metabolism is disrupted, your body becomes vulnerable to metabolic imbalances, which can cause health issues. 

Does Metabolism Slow Down With Age?

Yes. Our metabolism slows down as we get older, and beyond the age of 20, the rate at which we digest food drops by 10% every ten years. 

A slowed metabolism can cause weight gain even though you don't eat much more than usual. It requires effort to maintain a healthy weight, so pay attention to your daily diet and increase your physical activity.

Here's a list of some vitamins and minerals for metabolism:

A. Vitamin B
B vitamins are necessary to support growth and energy metabolism, however, taking more than what the body needs does not increase metabolism. Therefore, buyers of B-vitamin supplements must choose the right dose to eliminate any adverse effects.

An animal study showed that supplementation with B vitamins could effectively reduce body weight gain and plasma levels of lipids by improving energy metabolism-related enzyme activities.

B. Vitamin D
Vitamin D or known as “calciferol” is a fat-soluble vitamin that can be found naturally in certain types of food. Sunlight is also a natural source of Vitamin D

Low serum vitamin D has been linked to various metabolic illnesses such as diabetes mellitus, obesity, insulin resistance, and cardiovascular diseases including hypertension. Moreover, according to numerous research, vitamin D deficiency or insufficiency increases the likelihood of developing metabolic syndrome.

C. Calcium
Bone metabolism refers to the constant production and degradation of bone tissue, which is essential for its maintenance and repair. And calcium is most commonly associated with bone metabolism.

There are limited clinical trials to support the association between calcium and metabolic syndrome.

In a study of 66 adults who were overweight and had type 2 diabetes and coronary heart disease, supplements of 5 mcg (200 IU) vitamin D, 90 mcg vitamin K, and 500 mg calcium for 12 weeks significantly reduced maximum levels of left carotid intima media thickness and improved metabolic status (including improvements in insulin resistance, insulin concentrations, beta-cell function, and quantitative insulin sensitivity check index)

D. Vitamin K
Although there is growing evidence that vitamin K may be involved in energy metabolism, the precise roles of vitamin K-dependent enzymes in energy metabolism are still unknown. However, vitamin K is necessary for optimum bone metabolism. Additionally, it is essential for blood function.

Bleeding problems are caused by vitamin K deficiencies. Although vitamin K deficiency is uncommon, it is more likely in patients with liver or pancreatic disease, celiac disease, or malabsorption conditions that cause malabsorption. 

E. Magnesium
Magnesium has a key role in many other important biological processes such as cellular energy metabolism, cell replication, and protein synthesis. Moreover, magnesium deficiency may give rise to alterations in glucose metabolism.
A study found that 4-week magnesium supplementation improves insulin sensitivity and glucose oxidation in the course of a euglycemic-hyperinsulinemic glucose clamp in noninsulin-dependent diabetic patients.

Supplements to Increase Metabolism After 40

1. One A Day Women’s Active Metabolism Multivitamin

One A Day Women’s Active Metabolism Multivitamin

One a day Women's Active Metabolism Multivitamin is a complete multivitamin that is specially formulated to help support metabolism and help convert food into energy. 

- contains key nutrients such as B vitamins, chromium, and iron 
- formulated to support: metabolism, bone health, and physical energy 
- gluten-free and does not contain artificial flavors or sweeteners

How to Take
Adults should take 1 tablet daily with food 

4.4 out of 5 - more than 10,100 global ratings

I am over 40 and need help with my metabolism and this works! I can't take most multivitamins and this is perfect for morning.

2. One A Day Men’s Pro Edge Multivitamin

One A Day Men’s Pro Edge Multivitamin, Supplement with Vitamin A, Vitamin C, Vitamin D, Vitamin E and Zinc for Immune Health Support* and Magnesium for Healthy Muscle Function

One A Day Men's Pro Edge is a complete multivitamin with antioxidant vitamins c and e to help meet the increased need caused by moderate to intense physical activity.

- contains key nutrients such as vitamins a, b6, c, d, e, k, thiamin, niacin, and riboflavin
- formulated to support: physical energy, activity, and healthy muscle function
- adults should take 1 tablet daily, with food
- contains 50 one-a-day men's pro-edge multivitamins

 4.7 out of 5 - more than 5,100 global ratings

Needed a supplement for my dad, I take care and organize his meds. As far as I know he says his overall health is steady and he has more energy. I can't say how hard it is to swallow because I crush my dad's pills and give it to him via gtube. They are both though.

3. Nordic Naturals Vitamin B Complex

Nordic Naturals Vitamin B Complex - 45 Capsules - Thiamine, Riboflavin, Niacin, Vitamin B6 & B12, Folate, Biotin, Pantothenic Acid

- Why Vitamin B
B vitamins are essential to our most basic cellular metabolic activities. As coenzymes, they help us to get energy from food, and to make neurotransmitters for brain and nerve function.

- Once-daily Supplement
This once-daily, vegan capsule delivers thiamine, riboflavin, niacin, vitamin B6, folate, biotin, vitamin B12 as methylcobalamin, and pantothenic acid.

- Better Absorption
Vitamin B Complex is a blend of eight highly absorbable, water-soluble B vitamins expertly formulated to deliver physiologically meaningful doses of each vitamin.

- Purity Guaranteed
Everything we make is third-party tested, surpassing the strictest international standards for purity & freshness. This product is non-GMO, gluten & dairy free, and contains no artificial colors or flavors.

- Ethical Innovation
Nordic Naturals has always been at the forefront of sustainable & ethical practices in the natural products industry. Through science & innovation, we are committed to delivering safe, effective nutrients for optimal wellness.

4.7 out of 5 - more than 700 global ratings

I started taking this B complex with my morning coffee and it's making a noticeable difference. I have a lot more energy for my morning workouts and I think my performance is better. It has given me energy, mental alertness and improved mood that last through the day.

4. GNC Women's Ultra Mega Energy and Metabolism Multivitamin

GNC Womens Ultra Mega Energy and Metabolism Multivitamin


With GNC Women’s Ultra Mega Energy & Metabolism Multivitamin, enjoy the benefits of a high-quality, clinically studied multivitamin blend: in a formula specially designed for women.

This formula contains more active ingredients than the standard multivitamin. It’s formulated with vitamins designed to support energy, strong, healthy bones, and even contains antioxidants.

4.5 out of 5 - more than 2,900 global ratings

GNC Women's Ultra Mega Energy and Metabolism Multivitamin Reviews
Energy is what you want and energy is what you are going to get with this product I could not sit down I literally straightened up my room swept the floor in the kitchen made dinner etc. etc. everything that I needed to get done, I don’t know I just had energy to do it this is not a paid review I take my reviews seriously, I would take a chance again on this product

5. GNC Mega Men Energy Metabolism 

GNC Mega Men Energy Metabolism


- Comprehensive Men's Metabolism Booster Multi 
GNC Mega Men Energy & Metabolism Multivitamin provides key nutrients for men’s health, calorie-burning and mental alertness, plus antioxidants.

- Clinically Studies Multivitamin Blend
Contains a clinically studied multivitamin blend for men shown to work better than a basic multivitamin.

- Packed with Key Nutrients
GNC Mega Men Energy & Metabolism Multivitamin contains ingredients that help support prostate health, vitamins essential for energy production, thermogenic ingredients to support calorie-burning, and antioxidants, which help fight free radicals that can be produced during intense exercise.

4.6 out of 5 - more than 13,700 global ratings

I take these all the time with an occasional break for a few months. They help with energy and motivation to get up and going all day! And saw great results on the metabolism boost!

6. NatureBell Micronized Dhea Extra Strength

DHEA 100mg, DHEA Extra Strength, 200 Capsules, Micronized Grade for Better Absorption, Supports Energy Level, Metabolism and Healthy Aging for Men and Women,


DHEA is a substance produced in the adrenal gland. It supports the production of other hormonal changes, making it very important for your body.*

Supplement your health with DHEA. DHEA stands for dehydroepiandrosterone.
- Supports balanced hormonal levels*
- Supports healthy mood*
- Supports immune function*

4.6 out of 5 - more than 2,700 global ratings

My husband and I have been taking this product since 2018. It boosts energy, metabolism and libido. We will continue to stay with this brand as we feel it is a quality product.


a. Best Time To Take Multivitamins

Some vitamins, like water-soluble vitamins, can be absorbed on an empty stomach. However, multivitamins typically contain fat-soluble vitamins as well, which require dietary fat for absorption.
That’s why it’s often best to take your multivitamin with a meal or snack.

b. How to Increase Metabolism After 40?


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