Thorne Vitamin D 5000

Vitamin D-5000

Thorne Vitamin D comes in four different strengths. Different from most other vitamin D supplements, it does not contain hidden lactose, or preservatives such as BHA, BHT, or sodium benzoate. It is also NSF Certified For Sport®.


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The Importance of Vitamin D

Vitamin D, or cholecalciferol is more of a pro-hormone than it is a “vitamin.” Though the optimal level of vitamin D is 40-80 ng/dL, the average person has a blood level of only 16-25 ng/dL.

The following are just some of the health issues connected to low vitamin D:

  • Increased risk of the flu
  • Insulin resistance and diabetes
  • Heart disease
  • Osteoporosis and bone fractures
  • Atopic dermatitis
  • Cancer
  • Decreased production of adrenal hormones, including DHEA, androstenedione, and cortisol
  • Decreased strength
  • Increased body fat
  • Low birth weight of newborns
  • Multiple sclerosis
  • Psoriasis
  • Rheumatoid arthritis Schizophrenia
  • Type I diabetes

Why Thorne Vitamin D?

Thorne’s formula includes both vitamin D3. D3 is the more bioavailable form of vitamin D, whereas vitamin D2, common in vegan formulas, is poorly absorbed.*

Though it may be beneficial to include vitamin K2 when supplementing with vitamin D3, the capsules may prove to be more convenient than Thorne Vitamin D3/K2 Liquid, espeically if you travel.

Though the 5000 IU option is highlighted here, the Thorne Vitamin D comes in three other strengths: 1000 IU, 10,000 IU, and 25,000 IU per capsule. You can choose your preferred strength after you login to your Wellevate account.

Quality and Purity

Thorne dilutes their Vitamin D in-house with the branched-chain amino acid leucine. This is one of Thorne’s best practices that helps them stand apart from other supplement manufacturers.

All Thorne products are free of acesulfame-K (Ace-K), aspartame, banned substances, benzoic acid, butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), bisphenol A (BPA), carmine (cochineal, natural red 4), cyclamates, eggs, ephedra sinica (Ma Huang), ethyl vanillin, ethylene oxide (ETO), FD&C numbered color pigments, glycols (propylene glycol), high-fructose corn syrup (HFCS), hydrogenated oils (partially hydrogenated oil, trans-fats), irridation, nut-derived ingredients (tree nuts, peanuts), polyethylene glycol (PEGs), propyl gallate, saccharin (Sweet ’N Low, Sugar Twin), sodium benzoate, sorbitol, stearates (stearic acid, magnesium stearate), sucralose (Splenda), Sulfites (potassium bisulfite, sodium sulfite), synthetic vanillin, tertiary butylhydroquinone (TBHQ), titanium dioxide.


Supplement Facts and Suggested Use

Servings Size: One Capsule
Servings Per Container: 60

Amount Per Serving% DV
Vitamin D (as Vitamin D3)(5000 IU) 125 mcg625%
*Daily Value (DV) not established

Other Ingredients: Hypromellose (derived from cellulose) capsule, Microcrystalline Cellulose, Leucine, Silicon Dioxide, Vitamin E (d-Alpha Tocopheryl)

Take 1 capsule daily or as recommended by your healthcare practitioner.

Frequently Asked Questions

The following are the most common questions I get from members of my online fitness training program, Facebook group members, or blog readers. These are my answers and do not necessarily reflect the opinions of Thorne.

How do I know how much vitamin D I should use?

Ideally, you should get your vitamin D levels tested a couple of times per year. Without knowing how well you absorb and retain it, you’re left with the conservative recommendation of 1000-3000 IU per day. However, the Vitamin D Council recommends:

  • Children: 1000 IU per 25 pounds of body weight
  • Adults: 5000 IU including pregnant and breastfeeding women
  • Upper limit (for us Northerners): 10,000 IU per day

Do I have to take the vitamin D every day?

Because vitamin D is a fat soluble vitamin, your body is better at storing it than it is the water soluble vitamins like vitamin C and the B vitamins. With that in mind, some people take higher doses less often. The research doesn’t yet say one way is better than the other.