Fact Checked
Medically Reviewed by About Phena-Lean
Phena-Lean is marketed as a fat-burning supplement designed to promote weight loss and boost metabolism.
Anabolic Warfare, the company that makes this supplement, claims it will provide all-day energy[1]. The company also claims that it preserves muscle while losing fat.
Phena-Lean Review – Health Insiders Images
Phena Lean – Quick Facts & Specs
- Form:Capsule
- Type:Supplement
- Benefit:Provides all-day energy.
- Brand:Anabolic Warfare
- Address & Phone:8500 Shoal Creek Blvd. Building 4 STE 150, Austin, TX, 78757. 1-888-301-4002
- Uses:Boosts metabolism.
- Ingredients:Caffeine Anhydrous, Vitamin B3, Di-Caffeine Malate, L-Theanine, L-Tyrosine, Theobromine
- Price:$51.29
Pros And Cons of Phena-Lean
- Provides all-day energy
- Boosts metabolism
- Suppresses appetite
- Preserves muscle
- Fast-acting
- Sculpting agent
- Produced at a cGMP, a good manufacturing practice facility enforced by the FDA
- May cause stomach upset if not taken with food
- Jitteriness has been reported
- Should take supplement early in the day as it may cause sleeplessness
- May cause fast heartbeat
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*All individuals are unique. Your results can and will vary.
How Does It Work? | The Science Behind Phena-Lean
The Manufacturers claim this product promotes thermogenesis and decreases body fat. Thermogenesis means heat-producing. When you burn calories, you generate heat. This product includes ingredients that encourage thermogenesis.
According to a study in the Journal of the International Society of Sports Nutrition[1], thermogenic supplements raised resting metabolic rate, which is the energy the body uses at rest.[3]
It was also found that these supplements may produce elevations in blood pressure. Therefore, people with hypertension should discuss this supplement with their physicians.
Taken daily, supplementation may increase energy expenditure over time and produce fat loss.[2]
Phena-Lean Ingredients – The Breakdown
There are several primary active ingredients in this fat-burning supplement.
Vitamin B3 (as Niacin) – According to a study from Current Medical Science[2], B vitamins may reduce body weight gain by increasing energy metabolism.
Caffeine Anhydrous – In a study by The American Journal of Clinical Nutrition[3], caffeine stimulates the rate your body burns calories.
Di-Caffeine Malate – Is 2 caffeine molecules bonded to malate.
L-Theanine – In a Psychopharmacology study[4], L-Theanine has beneficial effects on cognition.
Citrus Aurantium (Bitter Orange) contains synephrine which raises blood pressure and heart rate according to the Mayo Clinic.
L-Tyrosine – There are no studies that indicate L-Tyrosine assists with weight loss. However, a study in Journal of Psychiatry and Neuroscience[5] indicates it prevents cognitive decline which supports the claim of improved mental clarity.
Theobromine – According to a study in Discovery and Innovation[6], theobromine induces significant fat loss.
Ginseng Extract – It has anti-obesity effects according to Journal of Ginseng Research[7].
N-Isopropylnorsynephrine – Is a form of synephrine, similar to bitter orange.
ParadoxineTM Grains of Paradise (std. to 12.5% 6-Paradol) – Is used in the treatment of inflammation, diabetes and heart disease according to Journal of Ethnopharmacology[8].
Lean GBB® (Gamma-Butyrobetaine Ethyl Ester HCL) – Is a replacement for L-Carnitine and is a common ingredient in dietary supplements.
Rauwolscine 90% – Is an alkaloid found in yohimbine according to Drug Testing and Analysis[9].
Huperzine A – It is added to supplements for cognitive enhancement.
Inactive ingredients include gelatin (capsules), magnesium stearate and silicon dioxide.
Phena-Lean Alternatives
| Brand | Price | Active Ingredients |
|---|---|---|
| Phena-Lean | $51.29 | Caffeine Anhydrous, Vitamin B3, Di-Caffeine Malate, L-Theanine, L-Tyrosine, Theobromine |
| Anorectant No. 10 | $187.00 | Caffeine Anhydrous, Choline Bitrate, Acetyl L-Carnitine, Rauwolscine |
| Invigor8 Fat Burner | $79.99 for a 2 month supply | Raspberry ketones, green coffee bean extract, green tea, garcinia, Forskolin, olive leaf |
| Hydroxycut | $30.99 | C. Canephora Robusta, Caffeine |
| Plexus Slim | $89.95 | Chromium Polynicotinate, green coffee bean extract, Garcinia Cambogia |
| Phen375 | $65.95 | Caffeine Anhydrous, L-Carnitine,Citrus Aurantium,Chromium, Cayenne Pepper |
| Trimtone Green Tea Fat Burner | $49.95 | Green Tea, Green Coffee, Caffeine, Glucomannan, Grains of Paradise |
| RazaLean | $69.95 | Capsaicin, caffeine, kelp, apple cider vinegar, turmeric, arginine |
Is Phena-Lean Safe? – Warnings & Complaints
The manufacturer claims the ingredients in their product are safe. However, some ingredients in the product may cause elevation in blood pressure.
CAUTION: You should check with a doctor before taking this supplement to make sure it’s medically suitable for you.
Phena-Lean Customer Reviews & Results
On Amazon there are 52 customer reviews with a rating of 4 out of 5. There were 21 positive reviews and 5 critical reviews.
Common complaints include:
- Upset stomach
- Supplement made me jittery
- Must eat before taking
Phena-Lean: Packages, Deals, Prices & Where to Buy It
You can buy this product on the manufacturer’s official website, and on Amazon.
- On the official website, you can get a 30-day supply of the product, or you can purchase the auto-shipment program and get one bottle every month for a 10% discount which would be a cost of $51.29. Shipping is free of charge.
- On Amazon, the product costs $56.99 for a one-time purchase. Save 5% now and up to 10% on repeat deliveries. You can cancel anytime.
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*All individuals are unique. Your results can and will vary.
The Bottom Line
This product promotes thermogenesis which burns calories and causes weight loss. Four ingredients in this product are stimulants.
Stimulants may cause side effects like upset stomach or jitteriness. This product is not recommended for those who are caffeine or stimulant sensitive.
This product may elevate your blood pressure or make your heart race. If you have a history of hypertension, be sure to discuss this product with your doctor.
The makers of this product are not listed with the Better Business Bureau. They claim they don’t play around and make products for those who spend hours at the gym. This product is not for the faint of heart.
As with all weight loss supplements, consult with your doctor before taking this supplement.
Phena-Lean – Questions and Answers
Q: What is Phena-Lean?
A: Phena-Lean is a fat-burning supplement that uses the effects of thermogenesis to induce weight loss. Caffeine is one of the main ingredients.
Q: How does Phena-Lean work?
A: According to the manufacturer, 2 of the ingredients, paradoxical and GBB promote thermogenesis and boost fat-burning ability. Caffeine in the supplement enhances mental clarity, increases metabolism, and decreases fatigue.
Q: Is Phena-Lean safe?
A: According to the manufacturer’s claims, Phena-Lean is considered safe. It is made in the USA at a cGMP facility.
Q: How do you use Phena-Lean?
A: According to the official website, take one capsule in the morning with food. Depending on how you react to the product, you can take 2 capsules per day. However, the manufacturer indicates not to take more than 2 capsules per day.
READ NEXT – ThermoFight X Review and Slimvance Review
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*All individuals are unique. Your results can and will vary.
9 sources
Health Insiders relies on peer-reviewed studies, academic research institutions, and medical associations. We avoid using tertiary references. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.
[1] The effects of a single-dose thermogenic supplement on resting metabolic rate and hemodynamic variables in healthy females - a randomized, double-blind, placebo-controlled, cross-over trial
[2] Zheng Y, Ma AG, Zheng MC, Wang QZ, Liang H, Han XX, Schouten EG. B Vitamins Can Reduce Body Weight Gain by Increasing Metabolism-related Enzyme Activities in Rats Fed on a High-Fat Diet. Curr Med Sci. 2018 Feb;38(1):174-183. doi: 10.1007/s11596-018-1862-9. Epub 2018 Mar 15. PMID: 30074168.
[3] Acheson KJ, Zahorska-Markiewicz B, Pittet P, Anantharaman K, Jéquier E. Caffeine and coffee: their influence on metabolic rate and substrate utilization in normal weight and obese individuals. Am J Clin Nutr. 1980 May;33(5):989-97. doi: 10.1093/ajcn/33.5.989. PMID: 7369170.
[4] Dodd FL, Kennedy DO, Riby LM, Haskell-Ramsay CF. A double-blind, placebo-controlled study evaluating the effects of caffeine and L-theanine both alone and in combination on cerebral blood flow, cognition and mood. Psychopharmacology (Berl). 2015 Jul;232(14):2563-76. doi: 10.1007/s00213-015-3895-0. Epub 2015 Mar 13. PMID: 25761837; PMCID: PMC4480845.
[5] L-Tyrosine to alleviate the effects of stress?
[6] Theobromine rich cocoa powder induces weight loss and changes in lipid profile of obese Wistar rats
[7] Ginseng and obesity
[8] Toxicological evaluation of Grains of Paradise (Aframomum melegueta) [Roscoe] K. Schum
[9] Cohen PA, Wang YH, Maller G, DeSouza R, Khan IA. Pharmaceutical quantities of yohimbine found in dietary supplements in the USA. Drug Test Anal. 2016 Mar-Apr;8(3-4):357-69. doi: 10.1002/dta.1849. Epub 2015 Sep 22. PMID: 26391406.
Strong Evidence
Moderate Evidence
Yes
Diana Young, LD/N, ORDM, GC-C
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Didn't give ingredients on Amazon
Did not know it had caffeine in it! Afraid to start it, I have hypertension and it has caffeine in it, no ingredients listed when I ordered it!
It works amazingly and effective
Super effective, doesn’t leave you shaking – have noticed a drop in body fat since starting this. Just enough caffeine to get my day going: I take it after the gym with a protein bar and shake and do not get sleepy till bedtime. there’s no crash!
I wish it could work for me!!!!!!!!!
It has too much caffeine content. I like caffeine but I don’t want it overpowering anything I have. I like it more in my coffee though. I actually need a fat burning supplement with less caffeine in it. A large cup is enough for me but not this much. On top of it, it didn’t work at all! It’s thermogenic but I seriously doubt it!