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ALCAR Recommended Dosage
- • Acetyl-L-Carnitine suggested dosage for cognitive benefits is 1 – 4 grams per day.
- • For improved mood and elimination of chronic fatigue, 1 – 3 grams of ALCAR per day.
- • For age-related memory concerns, 1 – 2 grams of ALCAR per day.
ALCAR is water-soluble and can be taken on an empty stomach with water. *
The following doses have been studied in scientific research:
ADULTS
BY MOUTH:
- For decline in memory and thinking skills that occurs normally with age: 1500-2000 mg of acetyl-L-carnitine has been used daily for 3 months.
- For tiredness in older adults: 2 grams of acetyl-L-carnitine has been used twice daily for 180 days.
- For low levels of testosterone in older men: 2 grams of acetyl-L-carnitine plus 2 grams of propionyl-L-carnitine has been used daily for 6 months.
- For alcohol use disorder: 1-3 grams of acetyl-L-carnitine has been administered intravenously (by IV) for 10 days. Then for the next 80 days, 3 grams of acetyl-L-carnitine has been taken by mouth daily.
- For Alzheimer disease: 1500-3000 mg of acetyl-L-carnitine has been taken by mouth daily in two or three divided doses for 3-12 months.
- For decline in memory and thinking skills in older people that is more than what is normal for their age: 2 grams of acetyl-L-carnitine has been used daily for 90 days.
- For depression: 1-4 grams of acetyl-L-carnitine has been used daily for up to 60 days. Higher doses seem to have the greatest effect.
- For nerve pain in people with diabetes (diabetic neuropathy): 1500-3000 mg of acetyl-L-carnitine has been taken by mouth daily in divided doses for up to one year. In some cases, 1000 mg of acetyl-L-carnitine was injected into the muscles for 10-15 days before it was taken by mouth.
- For conditions in a man that prevent him from getting a woman pregnant within a year of trying to conceive (male infertility):
- 1 gram of acetyl-L-carnitine plus 2 grams of L-carnitine has been taken daily to treat male infertility
- For male infertility secondary to abacterial prostatovesiculoepididymitis: 500 mg of acetyl-L-carnitine plus 1 gram of L-carnitine every 12 hours has been used following 2 months of treatment with nonsteroidal anti-inflammatory drugs (NSAIDs).
- For male infertility due to low sperm movement: A combination containing 1660 mg of L-arginine, 150 mg of L-carnitine, 50 mg of acetyl-L-carnitine, and 200 mg of Panax ginseng has been taken daily for 3 months.
- For male infertility due to prostate swelling caused by Chlamydia infection: combination containing 1660 mg of L-arginine, 150 mg of L-carnitine, 50 mg of acetyl-L-carnitine, and 200 mg of Panax ginseng daily for 6 months along with 600 mg of prulifloxacin.
- For male infertility with low sperm numbers, low sperm movement, and abnormally shaped sperm (oligoasthenozoospermia): A specific product (Proxeed Plus, Alfasigma USA) containing L-carnitine 1 gram and acetyl-L-carnitine 0.5 gram, with citric acid, zinc, coenzyme Q10, selenium, vitamin C, folic acid, and vitamin B12, twice daily for 6 months.
- For a disease that causes curved, painful erections (Peyronie disease): 1 gram of acetyl-L-carnitine has been taken twice daily for 3 months. *
