The 5 Best Liquid B12 Supplements, According to Experts
Discover the best liquid B12 supplements for energy, focus, and wellness. Explore top-rated formulas, benefits, and how to choose the right one for your needs.
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Tired all the time? Brain fog got you stuck? Your body may be crying out for some Vitamin B12! This essential nutrient is your body's secret agent for energy production, brain function, and maintaining your nerves and blood cells in top condition. Without sufficient B12, you might feel tired and sluggish all the time.
Here's a little news: liquid B12 supplements are taking off quicker than the newest TikTok dance! Why? Because they bypass the entire "please-dissolve-in-my-stomach" waiting game that pills do and get right to work. And no more having to wrestle horse-sized capsules down—just a few drops, and you're set!
In this article, we’ll help you understand how to pick the right B12 supplement for your body. By the time you're done, you'll have a clear idea of how to choose the best vitamin B12 supplement that suits your individual needs, lifestyle, and health objectives. So, let's get started and get your energy levels back in the sky!
Why Liquid B12? Understanding the Benefits
Imagine eating a delicious meal, but your body only gets half the nutrition because the rest gets lost in digestion. Frustrating, right? That's what can happen with pill supplements. The B12 drops benefits start with skipping this problem entirely. When taken sublingually (under the tongue), liquid B12 gets absorbed directly into your bloodstream through the mucous membranes, skipping the digestive system altogether.
Whitney English, Registered Dietitian Nutritionist, was quoted in a TODAY article, says
“Vitamin B12 is essential for proper neurological and metabolic functioning, including the transport of oxygen in our bodies.” “B12 is used to make red blood cells, which carry oxygen in the body. Vitamin B12 is also a cofactor in DNA synthesis. Finally, B12 is required to make myelin, the protective layer that coats nerve cells.”
This faster absorption means you feel the effects quicker—sometimes within minutes rather than hours or days. For people who need an energy boost pronto, this is a support!
Now that you understand the key benefits of liquid B12, let’s dive into our top picks to help you find the best supplement that suits your needs, lifestyle, and health goals.
Our Top Picks: Best Liquid B12 Supplements
Picking the right liquid B12 supplement can be overwhelming with so many choices out there. That’s why we’ve done the work for you, our dietician consulted trusted experts and rounding up the best options based on ingredients, effectiveness, and value. Here are our top picks to help you choose with confidence.
Best Overall: WOWMD B-12 Complex Liquid
Best Spray: MaryRuth Organics Vitamin B Complex
Best Vegan Softgels: 1MD Nutrition Vegan Vitamin B12 Softgels
Best Liquid B12: Now Liquid B-12
Best B12 for purity: Pure Encapsulations B12 Liquid
Pros
- 1200 mcg per serving for improved energy and metabolism
- Convenient liquid form for easy absorption
- Vegan, gluten-free, soy-free, and dairy-free
- High B12 dose, ideal for deficiencies or maximum intake
- 60-day money-back guarantee
Cons
- Individual results vary
- Requires consistent daily usage
Form: Liquid | Dosage: 1 ml daily | Servings per container: 60 | Price: $62.10 (1 bottle) | Third-party tested: Yes
Description:
WOWMD B-12 Complex Liquid is a top choice for those seeking a powerful, well-rounded B-vitamin supplement. Its methylcobalamin formula ensures quick absorption for improved energy and skin health. This easy-to-use, high-quality supplement supports both mental and physical vitality.
Things to Consider:
Individual results may vary. Some people might notice a boost in energy and overall vitality right away, while for others, it might take a bit more time to feel the full effects.
Pros
- Convenient spray form
- Vegan, gluten-free, soy-free, and dairy-free
- Organic ingredients with no artificial additives
- Travel-friendly
Cons
- Strong taste may not appeal to everyone
- Results can vary from person to person
- Limited flavor options available
- Some users may find the dosage too low or too high for their needs
Form: Spray | Dosage: 2 sprays daily | Servings per bottle: 30 | Price: $22.94 per bottle (on Amazon) | Third-party tested: Yes
Description:
MaryRuth Organics Vitamin B12 Liquid Spray offers a convenient option for those seeking a spray form of B12 with organic ingredients. The product is designed for easy use and absorption, suitable for people with dietary restrictions.
Things to Consider:
The spray form might not be for everyone. Some people may find it less accurate compared to pills or capsules, as it can be hard to measure exactly how much you're getting with each spray.
Pros
- 5,000 mcg of methylcobalamin per softgel
- Supports energy, immune health, and cardiovascular function
- Vegan, soy-free, dairy-free, non-GMO
- Easy-to-swallow softgels
Cons
- Higher price than similar supplements
- 30 softgels may not last for daily high doses
- A large dose may not be necessary for everyone
- Softgels can be sticky
- Only available in methylcobalamin form
Form: Softgel | Dosage: 1 softgel per day | Servings per container: 30 softgels | Price: Not mentioned | Third-party tested: Yes
Description:
1MD Nutrition’s Vegan B12 Softgels offer a potent dose of methylcobalamin, ideal for those seeking a high-dose supplement. The vegan and non-GMO formula ensures it meets dietary needs while supporting various health aspects, such as immune and cardiovascular function.
Things to Consider:
The large dose may not be necessary for everyone, especially those already maintaining healthy B12 levels. If you prefer a different form of B12 or need a lower dose, this might not be the best option.
Pros
- Affordable and accessible
- Liquid form for quick absorption
- Free from common allergens
- Simple B12 supplement for energy and cognitive support
Cons
- Taste may not be appealing to all
- Only contains B12, lacking other B vitamins
- Uses cyanocobalamin, which requires conversion by the body
- Requires precise measurement due to its liquid form
Form: Liquid | Dosage: 1/4 teaspoon daily| Servings per container: 59 | Price: $9.99 (2 fl. oz.) | Third-party tested: Yes
Description:
Now Liquid B-12 is an affordable and easy option if you're looking for a simple B12 supplement. The liquid form helps it absorb quickly, making it a convenient choice for everyday energy support.
Things to Consider:
It’s affordable, but the taste might not be for everyone. Plus, it uses cyanocobalamin instead of methylcobalamin, which might not work as quickly for people looking for faster results.
Pros
- High-quality, hypoallergenic formula
- Uses methylcobalamin for better absorption
- Free from additives and common allergens
- Clean, straightforward supplement
Cons
- Some users report less noticeable energy boost
- Unflavored, which may not appeal to all
- 1 oz bottle may require frequent repurchasing
- Results may take longer to show for some individuals
Form: Liquid | Dosage: Take 1 dropper, 1-3 times daily | Servings per container: About 30 | Price: Not Mentioned | Third-party tested: Yes
Description:
Pure Encapsulations B12 Liquid is designed for anyone with dietary restrictions or sensitivities. It’s made with a hypoallergenic formula and uses methylcobalamin, a form of B12 that supports cognitive and overall health.
Things to Consider:
This supplement might not be the best choice if you’re looking for a quick energy boost, as some people say it works a bit slower than other B12 options. It can also take a little longer for some to feel the full effects.
Comparison Table
WOWMD B-12 Complex Liquid | MaryRuth Organics Vitamin B12 Liquid Spray | 1MD Nutrition Vegan Vitamin B12 Softgels | NOW Foods Vitamin B12 Complex Liquid | Pure Encapsulations B12 Liquid | |
---|---|---|---|---|---|
Third-party tested | Yes | Yes | Yes | Yes | Yes |
Highlights | High potency, supports energy and cognitive function | USDA Organic, quick absorption, Convenient spray form | High dose, 5,000 mcg of methylcobalamin per softgel, vegan | Affordable, quick absorption, free from common allergens | Methylcobalamin, hypoallergenic, easy-to-use liquid form |
Customer Rating | |||||
Return Policy | 60 Days | 30 Days | 90 Days | 30 Days | 30 Days |
Shipping | Free Shipping Over $100 | Free standard shipping on U.S. orders over $89 and free express shipping on orders over $189 | Free Shipping | Free shipping over $50 | Free Shipping Over $100 |
Who Benefits Most From Liquid B12?
The liquid B12 benefits are particularly impressive for certain groups:
- Older adults: As we age, our bodies produce less stomach acid, making it harder to extract B12 from food and pills.
- Vegans and vegetarians: Since B12 is primarily found in animal products, plant-based eaters often need supplementation.
- People with digestive disorders: Conditions like Crohn's disease, celiac disease, or those who've had gastric bypass surgery can struggle with nutrient absorption.
- Busy individuals: For those who forget to take supplements regularly, the quick and easy nature of liquid drops can improve consistency.
Liquid B12 vs. Other B12 Forms - Which Form Is Right for Me?
Considering various forms of B12 supplements, liquid drops offer several unique advantages:
- Absorption Rate: Liquid versions take minutes to find their way into your bloodstream, whereas pills and capsules take several hours to disintegrate and get absorbed.
- Convenience: Drops are simple to carry with you, do not need to be taken with water, and can be placed in drinks if desired.
- Ease: Contrasting with injections needing medical appointments and the pain from needles, liquid supplements are trouble-free.
- Cost-Effectiveness: Although somewhat mid-range compared to some tablets, liquid B12 tends to be a better value based on superior absorption rates.
Liquid B12 strikes the ideal balance between efficacy and convenience for many individuals and represents the top vitamin B12 supplement choice for them.
What to Look For When Buying the Best Liquid B12 Supplement
All B12 is not created equal! There are a few varieties, each with varying characteristics:
- Methylcobalamin: The active state available for your body to utilize immediately. More natural and more easily retained in your tissues.
- Cyanocobalamin: Artificial, stable, and cheaper, but your body has to first convert it to an active state.
- Hydroxocobalamin: This remains longer in the body and is frequently utilized for B12 injections.
- Adenosylcobalamin: Less prevalent in supplements but directly utilized in cellular energy metabolism.
Most health professionals prescribe methylcobalamin as the gold standard supplement because it's bioidentical to what your body already uses. Your body doesn't have to do extra work to convert it, so it's available right away for all those critical brain and energy functions.
While conducting our research, we discovered an insightful YouTube Video by Dr Taranella that shares which type of B12 is best for you.
Bioavailability Matters
Bioavailability is just a fancy word for "how much of this stuff can my body actually use?" Methylcobalamin shines here because it's already in the form your body needs. No conversion required means more B12 gets used by your cells instead of being processed and eliminated.
Reading Labels Like a Pro
When scanning those tiny ingredient lists, keep an eye out for:
Good additions:
- Folate (works synergistically with B12)
- Vitamin B6 (completes the B-vitamin trifecta for energy)
- Natural flavors (if you hate the taste of vitamins)
Red flags:
- Artificial colors
- High fructose corn syrup
- Unnecessary preservatives
- Alcohol (not ideal for daily consumption)
Trust Signals
How do you know if a company makes quality supplements? Look for:
- Third-party testing certification
- GMP (Good Manufacturing Practices) compliance
- Transparency about sourcing and testing
- A satisfaction guarantee (shows confidence in their product)
Also Read: What Is Vitamin B12 Good For
The Wisdom of Crowds
Customer reviews can reveal a lot about real-world effectiveness. Look beyond the star rating to find patterns:
- Do multiple reviews mention improved energy levels?
- Are there complaints about taste or side effects?
- Do long-term users report sustained benefits?
- How does the company respond to negative feedback?
Vitamin B12 Dosage: How Much Do You Really Need?
The Recommended Dietary Allowance (RDA) for vitamin B12 dosage for adults is fairly low:
- 2.4 micrograms (mcg) daily for most adults
- 2.6 mcg for pregnant women
- 2.8 mcg for breastfeeding women
But here's where it gets interesting: many supplements contain much higher doses, sometimes 1,000 mcg or more! Why? Because absorption rates vary widely, especially for oral supplements. Your body might only absorb 1-2% of what you take in pill form, which is why liquid forms can be more efficient.
Special Considerations for Women
When it comes to how much B12 per day for a woman, the baseline recommendation is similar to men (2.4 mcg). However, women have some unique considerations:
- Pregnancy and breastfeeding: Slightly higher needs (as mentioned above)
- Hormonal birth control: This may affect B12 levels
- Menstruation: Regular blood loss can deplete B12 stores over time
- Perimenopause/menopause: Hormonal changes can affect absorption
When You Might Need More
Several situations call for a higher B12 intake:
- Confirmed deficiency: Your doctor might recommend much higher doses initially
- Strict vegan diet: Without animal products, you'll need reliable supplementation
- Aging: Adults over 50 often need more due to decreased absorption
- Certain medications: Proton pump inhibitors, metformin, and others can interfere with B12 absorption
Too Much or Too Little?
The good news about B12 is that toxicity is rare. Since it's water-soluble, excess amounts generally get excreted in urine. However, extremely high doses might cause:
- Acne or rosacea flare-ups
- Anxiety or depression
- Headaches
- Nausea or diarrhea
The dangers of too little B12 are much more serious and can include:
- Severe fatigue
- Neurological damage
- Mood disorders
- Memory problems
- Anemia
How to Use Liquid B12 for Maximum Effectiveness?
To get the most from your liquid B12:
- Place drops directly under your tongue
- Hold for 30-60 seconds before swallowing
- Try not to eat or drink anything for a few minutes after
This allows the B12 to enter your bloodstream directly through the thin tissue under your tongue, bypassing the digestive system where some nutrients get lost.
Timing Is Everything
The best time to take B12 is typically in the morning for several reasons:
- B vitamins can boost energy, which isn't ideal right before bedtime
- Taking it at the same time creates a consistent routine
- Morning absorption gives your body all day to utilize the nutrient
However, the absolute best time is whenever you'll remember to take it consistently!
Friendly Nutrient Partnerships
B12 works better with:
- Folate (B9): These two work hand-in-hand in DNA synthesis and red blood cell formation
- B6: Completes the B-vitamin trio for energy metabolism
- Magnesium: Helps with B12 absorption and utilization
Also Read: Does Vitamin B12 Support Energy and Metabolism
On the flip side, be careful with:
- Vitamin C: Taking high doses simultaneously might reduce B12 absorption
- Antibiotics: May interfere with B12 utilization
Health enthusiasts are talking about products like WOWMD B-12 Complex Liquid, which combines several B vitamins in one formula. These blends help boost energy, support mental clarity, and promote nervous system health. If you want more than just B12, a complex formula could be a good option.
The Patience Game
Don't expect overnight miracles! While some people notice improved energy within days, the full benefits of correcting a deficiency typically take time:
- Energy improvements: Often noticed within 1-2 weeks
- Mood enhancement: Usually 1-3 months
- Neurological benefits: May take 3-6 months or longer
Consistency is key—taking B12 regularly will yield better results than occasional mega-doses.
Common Myths & Misconceptions About Liquid B12 Supplements
Myth: "B12 Gives You Instant Energy Like Caffeine"
While B12 is involved in energy production, it's not a stimulant like caffeine. It won't give you an immediate buzz or jolt. Instead, it helps your body efficiently convert food into usable energy. If you feel an instant "rush" from B12, it's likely a placebo effect or from another ingredient in the supplement.
Myth: "Meat Eaters Don't Need B12 Supplements"
While meat, eggs, and dairy are good sources of B12, many factors affect how much you absorb:
- Stomach acid production (decreases with age)
- Intestinal health
- Medications
- Stress levels
- Alcohol consumption
Many meat-eaters still have suboptimal B12 levels, which is why Best Liquid B12 Supplements can benefit almost anyone, especially as we age.
Myth: "You Can Easily Overdose on B12"
As mentioned earlier, B12 toxicity is extremely rare. Your body simply eliminates what it doesn't need. However, extremely high doses over prolonged periods might cause minor side effects in some people.
Myth: "All B12 Supplements Are Basically the Same"
The quality, form, and delivery method of B12 supplements vary enormously. A cheap cyanocobalamin tablet has very different bioavailability compared to a high-quality methylcobalamin liquid formula. Your personal health situation will determine which is best for you.
Where to Buy the Best Liquid B12 Supplements?
Before purchasing, scan the label for:
- Form of B12: Preferably methylcobalamin
- Dosage: Typically 500-5000 mcg per serving
- Inactive ingredients: Less is usually better
- Expiration date: B12 can lose potency over time
- Storage instructions: Some require refrigeration after opening
Online vs. Brick-and-Mortar Shopping
Online Advantages:
- Wider selection
- Easy access to reviews and comparison shopping
- Often better prices
- Detailed product information
In-Store Advantages:
- Immediate purchase
- No shipping costs
- Ability to read labels in person
- Staff assistance (in health food stores)
Quality Indicators
How can you spot a high-quality B12 supplement?
- Clear disclosure of the form of B12
- Transparent about dosage and other ingredients
- Free from unnecessary fillers and additives
- Manufactured in certified facilities
- Reasonable claims (beware of miracle promises)
- Proper storage requirements and shelf-life information
FAQs
Conclusion & Final Tips
Choosing a vitamin B12 supplement is simple once you know the basics. Liquid B12 absorbs well and is great if you don’t like pills or have digestion issues. Methylcobalamin is one of the best forms to take.
Remember, supplements work best alongside a healthy lifestyle. A good B12 supplement can’t replace healthy eating, enough sleep, or managing stress. Pair it with balanced meals, exercise, rest, and stress management for the best results.
If you think you might have a vitamin B12 deficiency (symptoms like tiredness, weakness, pale skin, or brain fog), check with a doctor. A blood test can confirm your levels and guide you on how to take B12.
With the right B12 supplement and healthy habits, you can boost your energy, support nerve and brain health, and maintain mental clarity. Take care of your health!
Our Top Picks
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See Our Editorial Policy > Meet Our Health Expert NetworkThe WOWMD Staff category features a diverse team of writers, each bringing specialized knowledge in areas such as nutrition, fitness, wellness, and more. Articles in this category benefit from insights provided by multiple experts. All content is peer-reviewed and regularly updated to ensure compliance with our editorial standards.
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References
WOWMD follows strict sourcing guidelines to ensure the accuracy of its content, outlined in our editorial policy. We use only trustworthy sources, including peer-reviewed studies, qualified experts, and information from top institutions.
- Vitamin B12 Fact Sheet for Health Professionals https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/
- Vitamin B12 (Cobalamin) https://www.mountsinai.org/health-library/supplement/vitamin-b12-cobalamin
- The role of vitamins and nutrients in rosacea https://pmc.ncbi.nlm.nih.gov/articles/PMC11065919/
- Drugs and Lactation Database (LactMed®) [Internet]. https://www.ncbi.nlm.nih.gov/books/NBK534419/
- Methylcobalamin: A Potential Vitamin of Pain Killer https://pmc.ncbi.nlm.nih.gov/articles/PMC3888748/
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