










4.8/5 based on 1257 reviews
Losing Your Hair, Tired All Day, and Nobody Knows Why?
Your ponytail feels thicker by week 4
All-day energy, no 3 PM crash
Back in the middle of the family photo
Heme iron that's gentle on your stomach



If you don’t notice a boost in energy, changes in your appearance, or improved health within 60 days of the product being delivered to you, we’ll refund you. No hassle or questions asked.
✅ Refills Ship In 30 Days
✅ Cancel Anytime
How Does It Work?
Your hair and your energy depend on the same three nutrients: iron, B12 and vitamin A. When they run low, you feel it as tiredness sleep doesn't fix — and see it in the drain.
Your bloodwork can still say “normal.” Sandra T.'s iron was “low normal” — and nobody told her that matters.
What your hair and energy need:
✔️ Heme Iron – the iron your body absorbs best, for oxygen and energy
✔️ Vitamin B12 – for steady energy and a clear head
✔️ Vitamin A (Retinol) – for skin cell renewal and healthy hair
✔️ Natural Copper – works with iron to build red blood cells
✔️ Folate – for new cell growth and repair
When these run low, it shows up as:
Hair on your brush and in the drain, the 3 PM crash, brain fog, and years of tiredness that sleep doesn't fix.
An iron pill gives you iron alone — often with constipation. Grass-Fed Beef Liver gives you all five, as real food, to help you:
✅ Refill low iron without stomach trouble
✅ Keep your energy past 3 PM
✅ Grow a thicker, fuller ponytail
✅ Bring the glow back to your skin
Real food your body recognizes — with no taste and no stomach trouble.
Can It Help My Hair and Energy?
Hair wrapped around your fingers after every wash. Your hair needs iron, B12 and vitamin A to grow — Grass-Fed Beef Liver gives it all three.
You wake up tired and crash at 3 PM. Your body makes energy with heme iron and B12 — and beef liver is the richest food source of B12 by far.
Your doctor says your iron is fine, but you feel awful. Heme iron from liver absorbs 2–3x better than plant iron, without the stomach trouble.
Postpartum or perimenopause, and your hair and energy changed. Kayla M.'s ferritin was 11 after her pregnancy. Six weeks later it was 48.
Vitamin A (retinol) supports skin cell renewal. Customers tell us their skin is glowing again.
When Will I See Results?
Your body starts getting heme iron, B12 and vitamin A in the form it uses directly. Energy is usually the first thing you notice. Sandra T. had been exhausted for 3 years: “within 10 days I felt a difference.”
Mornings feel less heavy. The 3 PM crash gets smaller, and you need one less coffee to get through the afternoon.
By week 3, Sandra was working out again for the first time in two years. Around week 4, you feel it when you tie your hair back: your ponytail's thicker.
Hair grows slowly, which is why it comes after energy. This is the change you see in the mirror and feel in your hand.
Iron stores take longer to rebuild than energy does. Kayla M.'s ferritin went from 11 to 48 in six weeks, and her OB asked what she was taking.
With iron, B12 and vitamin A back where they should be, you get steady energy, a fuller ponytail and a healthier glow.
Most of all, you feel like yourself again. As Sandra T. put it: “I feel 35 again. I'm 49.”
How Long Until I Get It?
All our products are proudly sourced from grass-fed, pasture-raised cattle and processed in an FDA-registered facility in the USA. Orders ship directly from our fulfillment center in Utah within 1 business days, with most customers receiving their package within 3–5 business days depending on location.
You'll get a tracking number as soon as your order ships.
Is This Made for Me?
Grass-Fed Beef Liver is made for women who feel drained, see it in the mirror, and know liver is good for them but can't eat it.
It's especially for you if:
You find more hair on your brush, your pillow or in the drain
Your iron came back “low normal” and you still feel awful
You've been tired for years and every test says you're fine
You're postpartum or in perimenopause and your body changed
Iron pills wrecked your stomach, so you stopped taking them
You want real food, not a synthetic pill — but can't eat liver
It's made for daily use and gentle on the stomach — no synthetic additives, no fillers and no liver taste.
If you're tired of hearing “it's normal”… this was made for you.
Results or Full Refund Guarantee
Your order today is protected by our 60-day guarantee. You've been told “normal” and you've tried things that didn't work, so we take the risk. If you don't have more energy and see your hair coming back thicker, or if this is just one more thing that didn't work, tell us within 60 days. We'll refund every penny — no questions asked.
An iron pill gives you iron alone. Beef liver gives you iron together with B12, vitamin A, copper and folate — in the natural food form your body recognizes, not a synthetic pill.
The form of iron found in meat, absorbed 2–3x more efficiently than iron from plants. Your body needs it to make red blood cells and carry oxygen — and to end that bone-deep tiredness.
Your body needs B12 for every energy reaction in your cells. Low B12 feels like brain fog and a tiredness coffee can't fix — and beef liver is the richest food source by far.
True vitamin A (retinol), which only animal foods provide, supports skin cell renewal and healthy hair. The beta-carotene in carrots is a poor substitute most people can't convert well.
Copper works with iron to form red blood cells. An iron pill gives you iron alone; beef liver gives you both together, the way your body uses them.
Essential for new cell growth and repair, and critical around pregnancy. Liver folate is the active, natural form your body recognizes, not synthetic folic acid.
Beef liver also gives you CoQ10, which your cells use to make energy, and the building blocks your body needs to make glutathione, its own antioxidant. One more reason it helps with tiredness that sleep doesn't fix.
They were told it was normal, or handed an iron pill. Here's what happened when they gave their body what it was missing.
My ferritin was critically low post-pregnancy. My OB wanted me on prescription iron — the kind that causes horrible constipation. A friend recommended this instead. Six weeks later my ferritin went from 11 to 48. My OB was shocked and asked me what I was taking.
I've been exhausted for 3 years. Thyroid checked out. Iron “normal” (low normal — nobody told me that matters). Started Lonvera beef liver and within 10 days I felt a difference. By week 3 I was working out again for the first time in two years. I feel 35 again. I'm 49.
Ferritin “around a 10” while pregnant. Then: “my hair started getting thicker.”
My skin was dull, my gums were receding, and I looked 10 years older than I am. My dentist mentioned copper deficiency can affect gum tissue. Six weeks on Lonvera and my dentist commented unprompted that my gum health had improved dramatically. Skin is glowing too.
“…instantly said I had more of a glow.”
The brain fog was the worst part. I'm a software engineer and I couldn't focus for more than 20 minutes. My neurologist found nothing wrong. A colleague mentioned liver capsules for B12 and copper. Month two — completely different person. Sharpest I've been since my 20s.
Energy usually comes back first. Hair takes longer, because it grows slowly. Here's what to expect.
You're not imagining it, and it isn't your fault. Each of these is a sign your body is low on iron, B12 or vitamin A.
Sandra T.'s iron came back “normal.” It was low normal — and nobody told her that matters. Kayla M.'s ferritin was 11 after her baby. If you see yourself below, the problem isn't you. It's what your body is missing.
Hair wrapped around your fingers after every wash. You hide it in a tissue before anyone sees it, and you wonder if it will ever grow back.
So you won't be in it. And when you are in one, all you can see is your part line.
Your doctor says your iron is fine. You still drag yourself through every day. “Low normal” is still low, and nobody tells you that matters.
You sleep 7–8 hours and still wake up tired. Another coffee to get through the afternoon. You stopped working out and told everyone you're just busy.
Your doctor handed you iron pills. They came with horrible constipation, so you stopped — and the tiredness stayed.
Postpartum or perimenopause, and suddenly your hair and energy aren't what they were. You're told it's common. That doesn't mean you have to live with it.
Your hair and energy start with iron, B12 and vitamin A. When they run low, your hair thins and your energy fades — even if your bloodwork says “normal.”
An iron pill gives you iron alone, often with constipation. Your body uses iron together with copper, B12 and vitamin A — and liver has all of them.
Unlike synthetic vitamins, beef liver nutrients come ready to use — especially vitamin A (retinol), B12 and heme iron — so your body absorbs and uses nearly all of it, gently.
Energy usually comes back first. Around week 4, your ponytail's thicker. Your iron stores keep refilling in the weeks after that.
Pound for pound, beef liver has more essential nutrients per calorie than any other food on earth: 10x more iron than spinach, 700% more B12 than beef muscle, 5x more folate than kale. It's exactly what your hair and energy need.
The problem? Most people won't eat it. Maybe you cooked liver once and couldn't take the first bite. Lonvera's capsules give you the nutrition of fresh grass-fed liver — with zero taste, zero smell and no cooking.
Each batch is sourced from pasture-raised, grass-fed and grass-finished cattle, then freeze-dried at low temperature to preserve the full enzyme and nutrient profile — exactly as nature packaged it.
For over 2 million years, liver was the most prized food humans ate — saved for pregnant mothers, the ill and warriors. Healers gave it for fatigue, weakness and “blood diseases,” which we now call iron deficiency. Cultures around the world gave liver to their youngest and oldest first. Then processed food and synthetic vitamins took its place, and we forgot. Lonvera is bringing it back, without the taste.
Iron pills are the usual answer to low iron, and they're known for constipation. Here's how Grass-Fed Beef Liver compares.
| Feature | 🏆 Lonvera Beef Liver | Iron Pills |
|---|---|---|
| Gentle on Your Stomach | ✓ Heme iron, no stomach issues | ⚠️ Often causes constipation |
| Iron, B12 + Vitamin A Together | ✓ All in one natural food | ✗ Iron only |
| Made From Real Food | ✓ Pure grass-fed beef liver | ✗ Synthetic |
| Copper to Help Use the Iron | ✓ Naturally included | ⚠️ Usually left out |
| Heme Iron (the Form in Meat) | ✓ The iron your body absorbs best | ✗ Usually not heme |
| Natural Folate | ✓ Active form, not folic acid | ⚠️ Usually not included |
| No Fillers or Additives | ✓ Pure beef liver only | ✗ Binders and coatings |
| 60-Day Money-Back Guarantee | ✓ No questions asked | ✗ None |
The science on whole-food liver nutrition is decades old — and doctors recommend it for the problem you have: low iron and constant tiredness.
I've been recommending beef liver to patients with liver stress, iron deficiency, and chronic fatigue for years. The nutrient density is unmatched. Lonvera's capsule format removes the biggest barrier — taste — while delivering the same bioavailable nutrients as fresh liver.
Liver is the only food that naturally contains pre-formed vitamin A, heme iron, B12, folate, copper, and CoQ10 in a single source. Synthetic supplements can't replicate this synergy. For patients who come to me exhausted, foggy, and inflamed, beef liver is where I start before anything else.
From a pure nutritional science perspective, no food comes close to beef liver in terms of micronutrient density per calorie. … Freeze-dried liver in capsule form is genuinely the next best thing to eating fresh grass-fed liver three times a week.
You've been told “normal.” You may have tried iron pills that wrecked your stomach. You don't need one more thing that doesn't work. So try Grass-Fed Beef Liver for 60 full days. If you don't have more energy and see your hair coming back thicker, email us once and receive a complete refund — no receipts required, no products to return, no waiting period.
You either feel it and see it in the mirror, or you don't pay.
Energy comes first: most customers feel an improvement within 7–14 days, and Sandra T. felt a difference within 10 days. Hair grows slowly, so it takes longer: around week 4, your ponytail's thicker. Iron stores keep building after that — Kayla M.'s ferritin went from 11 to 48 in six weeks. If your iron or B12 is very low, improvements can come even faster.
Beef liver is one of the most nutritionally complete foods for pregnancy — rich in folate, iron, B12, and retinol, all of which are critical for fetal development. However, because vitamin A (retinol) in excess can be harmful during pregnancy, we recommend consulting your OB-GYN about your specific dosage. Many pregnant women take 2–3 capsules daily with their doctor's approval. Kayla M. started after her pregnancy, when her ferritin was 11.
We recommend starting with 3 capsules daily with a meal. Once you're comfortable (after 1–2 weeks), you can increase to 6 capsules per day for a more intensive protocol. Taking with food improves absorption and prevents any chance of nausea. Start low and build up — your body will tell you what it needs.
No. An iron pill gives you iron alone, often with constipation. Beef liver gives you heme iron together with B12, vitamin A (retinol), copper and folate — the nutrients your hair and energy depend on — in their natural food form, which your body recognizes and absorbs far more efficiently than synthetic vitamins. And it's gentle on the stomach.
No. Absolutely zero liver taste or smell. The capsules are sealed, odorless and flavorless. If you've ever cooked liver and couldn't take the first bite, this is how you get its iron, B12 and vitamin A without ever tasting it.
Beef liver capsules are a whole food and generally safe alongside most medications. If you're on blood thinners (warfarin), be aware that vitamin K in liver can interact with dosing — consult your doctor. If you're on iron supplements already, speak with your doctor before adding more iron from liver. Otherwise, beef liver has an excellent safety profile.
"Grass-fed" alone means the cattle ate grass at some point but may have been grain-finished before slaughter — which significantly changes the fat and nutrient profile. "Grass-finished" means the animals ate grass their entire lives. This matters because grass-finished liver has substantially higher omega-3 content, more conjugated linoleic acid (CLA), and a better fat-soluble vitamin profile than conventionally raised or grain-finished sources. Lonvera sources exclusively grass-fed and grass-finished beef liver.
You're fully covered by our 60-day money-back guarantee. If you don't have more energy and see your hair coming back thicker after a full 60 days, simply email support@lonvera.com and we'll refund you 100%. No questions, no hassle, no requirement to return the bottles.
Picture it: you tie your ponytail and it feels full in your hand. The wind blows and you don't reach to fix your hair. It's 3 PM and you don't need another coffee. At the next family photo, you're in the middle. Give your body the iron, B12 and vitamin A it has been missing — and start saying yes again.