Best Night Time Fat Burners Supplements Of 2025: What Experts Say

Overview of Nighttime Fat Burners

Nighttime fat burners are pills with thermogenic properties and weight support benefits. This category of fat burners is rated among the best-selling and proactive dietary supplements in the health industry.

Generally, dietary pills are considered as effective weight loss alternatives available today. In this case, nighttime fat burners promise to support weight loss when you combine them with proper nutrition and training. While these dietary supplements have yielded positive results in several clinical trials for fat loss, the reason why some folks consider them the best in helping them experience rapid weight loss.

However, not all of them can guarantee safety as some have been reported to cause severe or undesirable side effects. Fat burners are generally not good for use by some categories of people.

According to health experts, expectant and breastfeeding women and those on specific medication should not use fat burners. This also applies to those with certain health issues like heart, liver, thyroid, and kidney conditions should also stay away from fat burners.

Our team of experts has rounded up some of the best nighttime fat burners to help you make an informed purchase decision. Our team has included insights from our fitness and wellness experts to ensure proper selection and use of fat burners.

Best Nighttime Fat Burners of 2025

PhenQ PM – Best Nighttime Fat Burner For Stubborn Fat

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*All individuals are unique. Your results can and will vary.

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*All the prices listed here are as they appear on their websites and are subject to change.

Our Rating

• Comfort 4.9/5
• Effectiveness 5/5
• Convenience 5/5
• Value 4.9/5

PhenQ PM is a weight loss solution featuring a powerful incinerating formula of natural ingredients designed to burn stubborn fat while you sleep. It reboots your metabolism, curbs hunger cravings, and melts excess fat during the night while your body is in resting mode.

Key Specs

• Form: Capsules
• Type: Supplement
• Brand: PhenQ
• Features: science-backed ingredients, soy and gluten-free, manufactured in GMP and FDA approved facility,
• Benefit: Rapid fat burning, sustainable weight loss, energy booster, improved metabolism, curb cravings and manages appetite
• Active Ingredients: L-arginine, L-Lysine HCL, L-Theanine, 5-HTP, Chromium, Biotin, Molybdenum
• Dosage: 4 capsules per day
• Price: $64.99

Pros & Cons of PhenQ PM

Pros

• Features research-based natural ingredients
• Backed by 60 days 100% money-back guarantee
• Soy and glute-free
• Manufactured in FDA and GMP-approved facility

Cons

• Results not instant
• Results likely to vary among users

Phen24 – Best Day and Night Time Fat Burner

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*All the prices listed here are as they appear on their websites and are subject to change.

Our Rating

• Comfort 4.8/5
• Effectiveness 4.9/5
• Convenience 4.8/5
• Value 4.8/5

Phen24 is a weight loss supplement. It is a two-formula supplement that consists of both daytime and nighttime tablets to aid in weight reduction at all hours of the day. The supplement is designed to boost metabolism, suppress appetite, and burn fat. The supplement is vegan-friendly and contains all-natural ingredients that you may use without a prescription to prevent weight gain while enhancing the body’s ability to burn fat.

Key Specs

• Form: Capsules
• Type: Supplement
• Brand: Phen24
• Features: All-Natural Ingredients, No Prescription Needed, Safe and Effective Formula
• Benefit: Burn fat, Banish hunger, Stay energized, Burn extra fat, Crush cravings, Boost mood
• Active Ingredients: Daytime Capsule: L-Phenylalanine, Guarana, Cayenne, Ashwagandha. Nighttime Capsules: L-Theanine, Griffonia, Choline Bitrate, L-arginine
• Dosage: Phen24 Day – Take 1 capsule, each morning with breakfast. Phen24 Night – Take 2 capsules, 15 minutes before evening meal with 1 to 2 glasses of water.
• Price: $69.99

Pros & Cons of Phen24

Pros

• Dual-Action Formula
• Natural Ingredients
• Free Worldwide Shipping
• 60-Day Refund Policy
• Positive Customer Reviews

Cons

• The product is available on the official site only.
• Some users may find Phen24 to be relatively expensive compared to other available choices
• The two-step formula requires users to take the supplement twice a day, which some may find challenging to remember and follow

PrimeGenix CalmLean – Best Fat Burner For Men

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*All the prices listed here are as they appear on their websites and are subject to change.

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*All individuals are unique. Your results can and will vary.

Our Rating

• Comfort 4.9/5
• Effectiveness 4.9/5
• Convenience 4.8/5
• Value 4.8/5

PrimeGENIX CalmLean is a thermogenic fat-burning supplement designed specifically for men, aiming to help them burn fat, lose weight, and achieve their ideal physique without changing their current diet, exercise routine, or lifestyle.

Key Specs

• Form: Capsules
• Type: Supplement
• Brand: PrimeGENIX
• Features: FDA Registered & Inspected Facilities, cGMP Certified Manufacturing, NON-GMO, Formulated with Patented Ingredients.
• Benefit: Boosts Metabolism Within Minutes, Converts Fat To Energy, Reduces Hunger, Blocks Fat Formation
• Active Ingredients: Green Tea Extract, L-carnitine, and other patented compounds
• Dosage: 2 capsules per day
• Price: $59.95*

Pros & Cons of PrimeGenix CalmLean

Pros

• Positive Customer Reviews
• Natural Ingredients
• Convenience

Cons

• Potential Side Effects
• Limited Availability

Alpha Lion Night Burn – Best Night Time Fat Burner & Sleep Aid

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*All the prices listed here are as they appear on their websites and are subject to change.

Our Rating

• Comfort 3.9/5
• Effectiveness 4/5
• Convenience 4.9/5
• Value 3.8/5

Alpha Lion Night Burn is a dietary supplement designed to attack body fat from two different angles including in the nighttime to help you shed extra weight easily and faster.

Key Specs

• Form: Capsules
• Type: Supplement
• Benefit: Fat burning, metabolism and weight loss support, sleep and mood enhancement
• Brand: Alpha Lion
• Features: 60 counts, 100% transparent formula, high-quality natural ingredients, small easy to swallow pills
• Active Ingredients: Ashwagandha, melatonin, zylaria, Milburn, calorie burn
• Dosage: 2 capsules per day
• Price: $46.74*

Pros & Cons of Alpha Lion Night Burn

Pros

• Features science-backed natural ingredients
• Backed by a 100% money-back guarantee
• 100% transparent formula
• Small easy to swallowed pills
• Designed for both men and women

Cons

• Results likely to vary among users
• Outcome not instant

Lean PM – Best Fat Loss Supplement

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*All the prices listed here are as they appear on their websites and are subject to change.

Our Rating

• Comfort 3.8/5
• Effectiveness 3.9/5
• Convenience 3.7/5
• Value 3.8/5

Lean PM is a stimulant-free fat burner and sleep aid designed to promote fat burning, relaxation, mood enhancement, and deeper sleep. It is formulated to help control nighttime food cravings and wake up feeling refreshed without the typical ‘hangover-effect’ caused by many sleep aids.

Key Specs

• Form: Capsules
• Type: Supplement
• Brand: Jacked-factory
• Features: 100% Hassle-Free Money-Back Guarantee, Research Backed Ingredients, No Fillers or Dyes
• Benefit: Promotes a More Restful Sleep, Fall Asleep Faster Burn Fat While You Sleep, Control Food Cravings
• Active Ingredients: Green Tea Extract, L-Theanine, Melatonin, Vitamin B6, Magnesium, BioPerine
• Dosage: 2 capsules with a glass of water 40 minutes before bed
• Price: $34.99*

Pros & Cons of Lean PM

Pros

• Lean PM is stimulant-free
• Control night-time food cravings
• Lose stubborn body fat

Cons

• Not suitable for individuals below 18 years old.
• Requires consideration of medical history and healthcare practitioner’s advice before use
• Lean PM with Melatonin is not vegan

Prime Shred – Best Natural Fat Burner

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*All individuals are unique. Your results can and will vary.

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*All the prices listed here are as they appear on their websites and are subject to change.

Our Rating

• Comfort 3.6/5
• Effectiveness 3.7/5
• Convenience 3.7/5
• Value 3.5/5

PrimeShred is an ultra-potent fat-burning supplement designed to promote rapid weight loss and extreme fat oxidation. Through a precise blend of scientifically validated ingredients, it supports fast, full-body fat mobilization while enhancing energy levels, mood, and mental clarity. This comprehensive formula aims to help users achieve their ideal physique through accelerated fat loss and performance-boosting effects.

Key Specs

• Form: Capsules
• Type: Supplement
• Brand: Prime Shred
• Features: Nothing artifiial, No GMO ingredients, free from soy gluten and dairy
• Benefit: Fast, whole body fat burning, Advanced, high-potency formula, Lose pure fat and transform your body, Breakthrough frustrating plateaus.
• Active Ingredients: Cayenne pepper, Caffeine, L-Tyrosine, DMAE, and Green tea extract
• Dosage: 3 capsules approximately 20 minutes before your breakfast
• Price: $59.99*

Pros & Cons of Prime Shred

Pros

• Enhances mental capacity and helps you perform better intellectually
• The supplement promotes whole body fat burning

Cons

• Some may be allergic to a few ingredients
• Results may vary
• The price is a bit higher

Innosupps Night Shred – Best Night Time Fat Burner Supplements

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*All the prices listed here are as they appear on their websites and are subject to change.

Our Rating

• Comfort 3.5/5
• Effectiveness 3.6/5
• Convenience 4.6/5
• Value 3.4/5

Night Shred is a natural, safe, and effective nighttime fat-burning supplement designed to maximize the quantity and quality of sleep while priming the body to accelerate the fat-burning process. It is manufactured in the United States in an FDA-approved and GMP-certified facility under strict standards.

Key Specs

• Form: Capsules
• Type: Supplement
• Brand: Innosups
• Features: Vegan friendly, Gluten free, Lactose free and Soy free, 30-Day Money-Back Guarantee
• Benefit: Enhanced Digestive Health, Relaxing Stress Reducer, Powerful Relaxant, Feel Good, Cut nighttime cravings
• Active Ingredients: Magnesium, melatonin, GABA, CLA and L-Carnitine
• Dosage: 2 capsules per day
• Price: $35.99*

Pros & Cons of Innosupps Night Shred

Pros

• Supports high-quality sleep
• Boost GH Levels
• Accelerate the fat-burning process while sleeping
• Enhances vital

Cons

• Lack of Clinical Trials
• Taking it daily can lead to issues such as stomach cramps, headaches, and daytime drowsiness

Naturewise NightTime Slim – Best For Men & Women

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*All the prices listed here are as they appear on their websites and are subject to change.

Our Rating

• Comfort 3.4/5
• Effectiveness 3.5/5
• Convenience 3.5/5
• Value 3.5/5

The product is designed to support nighttime metabolism, promote fat burning, and encourage a good night’s rest. It contains natural thermogenic ingredients and relaxing components to promote deep sleep and balance hormones that regulate appetite and stress levels.

Key Specs

• Form: Capsules
• Type: Supplement
• Brand: Naturewise
• Features: Manufactured in the United States, Free Shipping On $50+ Orders, 60-Day Money-Back Guarantee
• Benefit: Nighttime Metabolism Support, Proven Thermogenic Benefits, Natural Sleep Supplement
• Active Ingredients: Green Coffee Bean Extract, Raspberry Ketones, Forskolin, Capsimax, Cayenne Pepper Extract
• Dosage: 2 capsules with food 1-2 hour before bedtime
• Price: $22.49*

Pros & Cons of Naturewise NightTime Slim

Pros

• helps your body burn fat while you sleep
• supports your regular sleep cycles
• boosts your metabolism and burns calories even when you’re resting

Cons

• Potential Side Effects
• Limited Availability

How We Researched & Picked?

Our team of experts wanted to determine the best nighttime fat burners in the market. So, they took their time to analyze each product’s ingredient profile, the recommended dosage, as well help determine each formula’s potency in relation to its composition.

They also went as far as verifying each supplement to find out if they are backed by scientific research and clinical studies. They did this to ensure that the ingredients can effectively burn and support weight loss.

Our experts also eliminated nighttime fat burners containing potentially harmful substances that can raise doubts about the product’s safety and purity. Our nighttime fat burners are sound because our team takes into consideration quality product quality.

Your weight loss needs are our responsibility and that’s why we want to ensure that you have access to high-quality and effective fat-burning enhancing supplements. Our selection above of the best nighttime fat burner is therefore sound and has not shown to cause any undesirable reaction or irritation.

How Do Nighttime Fat Burners Work?

Fat burners have the same goal of stimulating metabolism for effective fat burning. However, nighttime fat burners take a different approach. They work by providing gentler components that accelerate fat burning while they keep away from stimulants that spike energy.

They are usually packed with sleep aid ingredients that let you enjoy deep sleep as they slowly burn fat. Nighttime fat burners contain hunger-reducing ingredients to help you keep your food intake in check.

Key Ingredients to Look For in Best Nighttime Fat Burners

L-arginine

L-arginine is an essential amino acid that works to reduce fat buildup in adults and promote the breakdown of fats in adults.

A publication by Wenjuan Jobgen et al in the Journal of Nutrition has revealed that L-arginine can significantly reduce white fat mass and also regulate the body’s metabolic process.^[1] It has also been found to promote fat-burning during the night.

L-Theanine

L-theanine is a naturally occurring amino acid. Studies show that this substance can help reduce triglyceride synthesis, hence leading to the reduction of fat accumulation. It also works to boost the body’s energy levels hence indirectly affecting weight loss.

L-theanine is packed with properties ideal for enhancing deep sleep and calming the brain, essential for fat-burning and weight management.

A publication in Frontiers in Nutrition by Ming-Yue Li et al has revealed that supplementation of L-theanine can enhance brown fat metabolic activity as well as the reduction of subcutaneous which in turn improves obesity. ^[2]

Chromium

Chromium is a crucial ingredient in fat burners and is used in the manufacturing of weight loss supplements due to its ability to reduce hunger and curb food cravings.

A research publication in the Nutrition Review Journal by R. A. Anderson has that chromium has the ability to regulate the body’s blood sugar levels and maintain healthy eating habits essential for promoting weight loss.^[3]

5-HTP

5-HTP is a popular ingredient in fat burners and plays a pivotal role in weight loss through its ability to control appetite and reduce food cravings.

A research study by Massimo E. Maffei published in the International Journal of Molecular Science, has revealed that 5-HTP can help improve nighttime sleep by inducing serotonin in the brain, an essential chemical known for promoting natural weight loss. ^[4] It has also been found to reduce appetite and unnecessary food cravings a huge culprit that promotes weight gain.

L-Lysine HCL

L-Lysine HCL is an amino acid responsible for replenishing and producing essential protein hormones like growth hormones and insulin. It is also a carnitine responsible for fatty acids and energy processes that support weight loss.

A study in Molecular Biology Reports by Chao Wu Xiao et al notes that l-lysine HCL is an ideal ingredient for boosting physical performance and exercise, essential for managing healthy cholesterol and shading weight. ^[5]

Key Mistakes to Avoid When Choosing a Nighttime Fat Burner

• Ignoring the Ingredients – Ingredients should be among the things to consider when selecting a product. The quality and safety of a product is determined by the ingredients contained in it. You need to ensure that the product has active ingredients for efficiency and does not contain harmful substances or an ingredient you are allergic to.
• Not Considering Your Actual Needs – Considering your needs when selecting a product ensures that you have the right product that will effectively address your specific needs. If you ignore your actual needs, you might end up choosing a product that won’t work.
• Ignoring the Brand’s Reputation and Not Being Keen on Reviews – Reviews from customers who have had first-hand experience with a product always give honest and useful information about a product. From reviews, you will get to know how efficient a product is and its possible side effects. You also need to consider the brand’s reputation when choosing a product. A brand with a good reputation is keen on protecting its business and so, they always aim at producing high-quality, efficient, and safe products.

Final Verdict

Nighttime fat burners are some of the sought-after supplements in the fitness industry because of their ability to enhance fat burning process and weight loss. While there are some controversies surrounding the use of fat burners, most people continue to use them because of their efficiency.

Nighttime fat burners are effective and safe provided that you select a product from a reputable company. You can also look at customer reviews when choosing a product because they will give you more insight into a product.

Our selections for the best nighttime fat burners above are safe and contain high-quality natural ingredients that will help support rapid fat burning for effective weight loss.

Best Night Time Fat Burners – Frequently Asked Questions