Doctor's Best, Bergamonte Polyphenols to Best L-Tryptophan Powder featuring TryptoPure

We firmly believe in the integration of science research and traditional wisdom as the way that nutritional and herbal supplements will reach their exciting potential. Founded in 1990 by a pioneering physician committed to science-based alternative health care, Doctors Best offers only the most important nutritional supplements. Careful research and precise formula development keeps us at the leading edge of quality, effectiveness, and innovation. Containing the finest quality raw materials from around the world, Doctors Best supplements embody the best that traditional knowledge and current scientific research have to offer in the field of therapeutic nutrition. Countless hours have been spent analyzing scientific literature to provide sound alternatives to the proliferation of questionable supplements in the marketplace. Each of our products is accompanied by an annotated "Fact Sheet" with detailed background information, structure-function statements, and scientific references that substantiate these statements. All structure-function statements have been filed with FDA in accordance with DSHEA regulations. Traditional wisdom ... up-to- date research ... product quality you can trust ... all the information you need to develop smart strategies for achieving optimal health and well-being. We think youll agree that this combination of products and services is second to none.

Now displaying products 1.) Bergamonte Polyphenols through 36.) Best L-Tryptophan Powder featuring TryptoPure out of 117 total.

 

Bergamonte Polyphenols

(60 capsules), Doctor's Best

From $16.58 
44% Off $19.50 
34% Off
Doctor's Best

Citrus Bergamot has been clinically tested to help lower cholesterol

 

Best 3000 GDU Bromelain

(90 vegetarian capsules), Doctor's Best

From $14.41 
51% Off $16.95 
43% Off
Doctor's Best

The most potent form of Bromelain available on the market today. Bromelain, the 'pineapple enzyme', is renowned for its digestion-enhancing characteristics and also has beneficial systemic effects within the body.

 

Best 5-HTP

(100 mg - 60 vcaps), Doctor's Best

From $8.71 
51% Off $10.25 
43% Off
Doctor's Best

Doctors Best 5-HTP is extracted from the seeds of the Griffonia simplicifolia plant. Studies have demonstrated that 5-HTP helps maintain mental and emotional well-being and promotes healthy sleep. *

 

Best 5-HTP Enhanced with Vitamins B6 and C

(120 capsules), Doctor's Best

From $18.83 
52% Off $22.15 
44% Off
Doctor's Best

A naturally-occurring metabolite of the amino acid tryptophan, 5-HTP is converted in the brain to serotonin, a neurotransmitter substance found at the junctions (synapses) between neurons.*

 

Best Acai

(500 mg) (120 vcaps), Doctor's Best

From $14.41 
51% Off $16.95 
43% Off
Doctor's Best

Scientific research has confirmed the high nutritional value of acai fruit and uncovered its potent antioxidant benefits. Analyses have shown that acai is one of the richest sources of anthocyanins in the world, substances known to be powerful free radical scavengers*

 

Best Acetyl L-Carnitine featuring Sigma Tau Carnitine

(588 mg 60 capsules), Doctor's Best

From $10.33 
53% Off $12.15 
44% Off
Doctor's Best

Acetyl-L-Carnitine (ALC) is a naturally occurring form of L-Carnitine, a vitamin-like nutrient synthesized in the body from the amino acids lysine and methionine. Useful in support of improved cognitive function, increased alertness and mental focus.

 

Best Acetyl L-Carnitine featuring Sigma Tau Carnitine

(588 mg)(120 capsules), Doctor's Best

From $18.32 
54% Off $21.55 
46% Off
Doctor's Best

Acetyl-L-Carnitine (ALC) is a naturally occurring form of L-Carnitine, a vitamin-like nutrient synthesized in the body from the amino acids lysine and methionine. Useful in support of improved cognitive function, increased alertness and mental focus.

 

Best Agaricus blazei

(400 mg 90 vegi capsules), Doctor's Best

From $14.75 
53% Off $17.35 
45% Off
Doctor's Best

Agaricus blazei is a medicinal mushroom that contains a special class of polysaccharides known as "beta glucans." Studies show beta glucans stimulate activity of natural killer (NK) cells, which are an important part of the immune system

 

Best Alpha-Lipoic Acid

(150 mg 120 capsules), Doctor's Best

From $6.33 
47% Off $7.45 
37% Off
Doctor's Best

Alpha-lipoic acid (ALA, thioctic acid) is a naturally occurring vitamin-like nutrient that has been intensely investigated as a therapeutic agent for a variety of conditions involving the bodys nervous, cardiovascular, immune, and detoxification systems.

 

Best Alpha-Lipoic Acid

(600 mg - 60 capsules), Doctor's Best

From $9.39 
53% Off $11.05 
44% Off
Doctor's Best

Alpha-lipoic acid (ALA, thioctic acid) is a naturally occurring vitamin-like nutrient that has been intensely investigated as a therapeutic agent for a variety of conditions involving the bodys nervous, cardiovascular, immune, and detoxification systems.

 

Best Artemisinin

(100 mg 90 vegi capsules), Doctor's Best

From $24.18 
51% Off $28.45 
43% Off
Doctor's Best

Best Artemisinin contains high quality Artemisinin or Ching-hao-su, an extract from the traditional Chinese herb Artemisia annua (sweet wormwood) or Ching-hao. Sweet wormwood leaves have been consumed over several centuries for promoting general health.

 

Best Benfotiamine

(150 mg 120 vegi capsules), Doctor's Best

From $13.81 
53% Off $16.25 
45% Off
Doctor's Best

Benfotiamine is a synthetic derivative of thiamine (vitamin B-1) that is showing promise in treating a number of neurological and vascular conditions. Benfotiamine also appears to have beneficial anti-aging qualities, protecting human cells from harmful metabolic end products.

 

Best Benfotiamine

(80 mg 120 vegi capsules), Doctor's Best

From $9.05 
54% Off $10.65 
46% Off
Doctor's Best

Benfotiamine is a synthetic derivative of thiamine (vitamin B-1) that is showing promise in treating a number of neurological and vascular conditions. Benfotiamine also appears to have beneficial anti-aging qualities, protecting human cells from harmful metabolic end products.

 

Best Blood Pressure Support

(120 tablets), Doctor's Best

From $15.26 
49% Off $17.95 
40% Off
Doctor's Best

Best Blood Pressure Support contains a proprietary blend of natural herbal ingredients that sustain healthy blood pressure levels that are already within the normal range.

 

Best Camu Camu

(400 mg 120 vegi capsules), Doctor's Best

From $11.77 
50% Off $13.85 
42% Off
Doctor's Best

Best Camu Camu 4:1 Extract powder is an an exclusive wild-crafted, spray-dried concentrate of camu camu fruit.

 

Best Cinnamon Extract Cinnulin PF

(125 mg - 60 capsules), Doctor's Best

From $9.31 
50% Off $10.95 
42% Off
Doctor's Best

Recent research has revealed that constituents in cinnamon bark called procyanidin Type-A polymers help maintain the body's ability to metabolize glucose in a healthy way.*

 

Best Collagen Types 1 3

(180 tablets), Doctor's Best

From $11.09 
49% Off $13.05 
40% Off
Doctor's Best

Collagen is the major structural protein in connective tissue and the most abundant protein in the human body. It is responsible for maintaining the strength and flexibility of bones, joints, skin, tendons, ligaments, hair, nails, blood vessels and eyes, among other tissues throughout the body.

 

Best Collagen Types 1 3 Powder

(200 gr), Doctor's Best

From $9.05 
54% Off $10.65 
46% Off
Doctor's Best

Collagen is the major structural protein in connective tissue and the most abundant protein in the human body. It is responsible for maintaining the strength and flexibility of bones, joints, skin, tendons, ligaments, hair, nails, blood vessels and eyes, among other tissues throughout the body.

 

Best CoQ10

(100 mg - 60 softgels), Doctor's Best

From $11.09 
51% Off $13.05 
43% Off
Doctor's Best

CoQ10 is a nutrient that supports heart function and promotes energy production in cells.

 

Best Curcumin C3 Complex

(1000mg - 120 tablets), Doctor's Best

From $50.28 
49% Off $59.15 
40% Off
Doctor's Best

Best Curcumin C3 Complex contains demonstrated potent antioxidant properties that benefit the joints, brain, heart and circulatory system.

 

Best Curcumin with Bioperine

(500 mg) (120 capsules), Doctor's Best

From $28.86 
51% Off $33.95 
43% Off
Doctor's Best

Best Curcumin with Bioperine (500 mg) (120 capsules)

 

Best D-Phenyalanine

(500mg - 60 capsules), Doctor's Best

From $13.73 
50% Off $16.15 
42% Off
Doctor's Best

DOCTOR'S BEST INTRODUCES Best D-Phenylalanine Amino Acid with Potential Benefits for the Relief of Minor Pain

 

Best D-Ribose featuring BioEnergy Ribose

, Doctor's Best

From $23.33 
53% Off $27.45 
45% Off
Doctor's Best

Best D-Ribose featuring BioEnergy Ribose. Studies have shown that ribose supplementation may enhance cardiac energy levels and support cardiovascular metabolism. Further studies suggest that ribose plays a role in supporting energy recovery after exercise.

 

Best D-Ribose featuring BioEnergy Ribose

(120 vegi capsules), Doctor's Best

From $16.96 
52% Off $19.95 
44% Off
Doctor's Best

Studies have shown that ribose supplementation can enhance cardiac energy levels and support cardiovascular metabolism.

 

Best Digestive Enzymes

(90 Veggie Caps), Doctor's Best

From $19.59 
51% Off $23.05 
42% Off
Doctor's Best

Best Digestive Enzymes (90 Veggie Caps)