Vitacost Ratings and Reviews

5-HTP(558)
Algae(871)
Amino Acids(2,062)
Bee Pollen(327)
Caffeine(39)
Celadrin(82)
Charcoal(100)
Chitosan(43)
Chlorella(183)
Choline(142)
CoQ10(2,489)
Coconut Oil(4,040)
Collagen(327)
Colostrum(181)
D-Mannose(48)
DHEA(436)
DMAE(65)
EFAs(3,659)
EpiCor(36)
FOS(2)
Fish Oil(1,598)
GABA(189)
GLA(8)
Gelatin(17)
Glycine(10)
HGH(43)
Iodine(58)
Krill Oil(747)
Lecithin(273)
Letter Vitamins(12,192)
Lithium(6)
Lutein(393)
Lycopene(105)
MSM(439)
Melatonin(1,224)
Minerals(8,785)
Multivitamins(12,834)
NADH(52)
Omega-3(5,219)
Pectin(22)
Probiotics(6,069)
Propolis(78)
Pycnogenol(150)
Quercetin(134)
RNA/DNA(1)
Red Wine(12)
Relora(2)
SAMe(611)
Silica(19)
Soy(79)
Spirulina(110)
Yeast(62)
Shop Now At Vitacost
Shop L-Carnitine or
Choose a Category
Top-rated product

Product Reviews

Doctor's Best Acetyl-L-Carnitine HCI featuring Sigma tau® Carnitine -- 588 mg - 120 Capsules

Science-Based Nutrition™. Featuring Sigma tau® Carnitine. Enhances Alertness & Mental Focus. 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. ALC plays a key role in the production of acetylcholine an important neuro-transmitter for brain and nerve cell function.  . The Sigma tau supplied Acetyl-L-Carnitine in this product is derived from a vase of pharmaceutical grade L-Carnitine manufactured by a patented FDA-approved process that fully complies with USP FDA-approved process that fully complies with USP 25 FCC 4 and EU monographs. It is GMO-free pesticide-free and BSE safe.  . Supports energy metabolism in the brain. Keeps nerve healthy and in repair. Decreases free radical production in the brain.
Overall rating:
4.75 / 5
4.8
 / 
5
(4 reviews) 4
Open Ratings Snapshot
Rating breakdown 4 reviews
5 Stars
3
4 Stars
1
3 Stars
0
2 Stars
0
1 Star
0
4 out of 4(100%)customers recommend this product.
Customer reviews for Doctor's Best Acetyl-L-Carnitine HCI featuring Sigma tau® Carnitine -- 588 mg - 120 Capsules
Review 1 for Doctor's Best Acetyl-L-Carnitine HCI featuring Sigma tau® Carnitine -- 588 mg - 120 Capsules
Overall rating:
5 / 5
5 / 5
Redhorse51
fromSouth Jersey
Age:55-64
Gender:Male
Best quality & formula for the price
 November 29, 2014
"I found this formula to work well for me, i weight train and use elipical 5 days a week. I use this along with my standard daily supplements and have no complaints, all positive. I trust it."
+1point
1of 1voted this as helpful.
Review 2 for Doctor's Best Acetyl-L-Carnitine HCI featuring Sigma tau® Carnitine -- 588 mg - 120 Capsules
Overall rating:
5 / 5
5 / 5
pwong
fromHong Kong, China
Age:65-74
Gender:Male
Daily supplement usage:6+ supplements daily
Referral source:Physician
Reason for usage:Enhanced performance
Duration of use:30-60 days
effective memory boost
 January 1, 2013
"I take two pills every day and I have my quick mind back . I also enjoy a deeper sleep."
+3points
3of 3voted this as helpful.
Review 3 for Doctor's Best Acetyl-L-Carnitine HCI featuring Sigma tau® Carnitine -- 588 mg - 120 Capsules
Overall rating:
5 / 5
5 / 5
pwong
fromHong Kong, China
Age:65-74
Gender:Male
Daily supplement usage:6+ supplements daily
Referral source:Physician
Reason for usage:Enhanced performance
Duration of use:Less than 30 days
keep head alert
 November 25, 2012
"I take two pills a day and my mind becomes more alert after just a few days."
+1point
2of 3voted this as helpful.
Review 4 for Doctor's Best Acetyl-L-Carnitine HCI featuring Sigma tau® Carnitine -- 588 mg - 120 Capsules
Overall rating:
4 / 5
4 / 5
hambone1
fromMedia, PA
Age:65-74
Gender:Male
Daily supplement usage:3-5 supplements daily
Referral source:Self-referred
Reason for usage:Promote overall health
Duration of use:Over 180 days
It appears to help us with our weight loss and fat
 July 15, 2012
"We have been taking Doctor's Best Best Acetyl-L-Carnitine for several years and have successfully lost weight and kept the weight off."
+1point
1of 1voted this as helpful.