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The Original Grass-Fed Colostrum Calf-Fed First · First-Day Milking Cold-Processed · Whole-Spectrum Tested by Light Labs · Jan 2026 30-Day Money-Back Guarantee Zero Fillers Added Made in USA The Original Grass-Fed Colostrum Calf-Fed First · First-Day Milking Cold-Processed · Whole-Spectrum Tested by Light Labs · Jan 2026 30-Day Money-Back Guarantee Zero Fillers Added Made in USA
The Original Grass-Fed Colostrum · Made in USA

NEKTR
GRASS-FED
COLOSTRUM

★★★★★ 4.97 · 430 reviews · In Stock
30-Day Guarantee Most Popular

First-day milking. Cold-processed. Nothing skimmed. One scoop a day supports gut, skin, hair, immunity, and steady energy — from the single most bioactive food nature makes.

  • End daily bloating
  • Less shedding, calmer skin
  • No afternoon crash
  • Fewer sick days
1
Or 4 payments of $18.75 with Shop Pay
LIGHT
LABS
Tested by Light Labs
ISO/IEC 17025 · Jan 2026
View Certificate of Analysis
Love it or your money back. 30-day guarantee, no questions asked.
U.S. shipping 30-day guarantee Secure checkout
10K+
Happy customers
USA
Grass-fed cows
LIGHT
Labs tested
0
Fillers · cold-processed
  • 1 scoop (3g) daily — any time of day
  • Mix in any cold or warm drink (smoothie, water, oat milk, cooled coffee) or shoot it back dry
  • Avoid boiling-hot liquids — let coffee cool for 2–3 minutes first to protect the bioactives
  • Take consistently for 6–8 weeks to feel the full compound effect
  • First-day milking — bioactive potency is highest within 24h of calving
  • Whole-spectrum — fat preserved, nothing skimmed or stripped
  • Cold-processed — protects heat-sensitive bioactives
  • Grass-fed, pasture-raised U.S. cows — no hormones, no antibiotics
  • Calf-Fed First sourcing — ethical surplus-only model

Unflavored: Grass-fed bovine colostrum powder. One ingredient.

Naturally occurring: IgG antibodies, lactoferrin, IGF-1, EGF + TGF-β growth factors, proline-rich polypeptides, oligosaccharide prebiotics, beta-carotene (what makes it golden).

Vanilla Bean flavor adds: Organic vanilla powder, Pink Himalayan salt, Organic monk fruit.

No fillers. No flow agents. No maltodextrin. No artificial sweeteners. Never.

  • Week 2: bloating and post-meal heaviness ease
  • Week 4: energy stabilizes, brain fog lifts
  • Week 6–8: skin calms, hair shedding slows

Every batch tested by Light Labs (verified January 2026).

Tests: heavy metals · glyphosate · pesticides · bioactive potency.

Manufactured in a GMP-certified, FDA-registered facility in the United States.

View Certificate of Analysis →

Grass-Fed USA
Cold-Processed
Calf-Fed First
Light Labs Tested
GMP Certified
30-Day Guarantee
— What customers say / 001

10,000+
CUSTOMERS FEEL
THE DIFFERENCE.

4.97/5
★★★★★
Based on 430 verified reviews from real customers who've made NEKTR part of their morning.
5★98%
4★2%
3★<1%
2★0%
1★0%
Customer photo — flat belly after two weeks
Verified Buyer
"After every meal — the heaviness. For years."

I'd accepted bloating after meals as normal. Two weeks on NEKTR and I was eating without dread. The heaviness just stopped. I wish I'd found this years ago.

Patricia D. · Bloating
Customer photo — Sarah in grey sweater, hand on belly
Verified Buyer
"Skeptical at first — and now I can't stop telling people"

Skeptical at first but my digestion and gut has improved so much since starting. AND no more bloating!

Sarah M. · Bloating
Customer photo — Emily smiling with NEKTR jar at home
Verified Buyer
"The brain fog was the first thing to lift"

I started for the bloating. Around day 10, the afternoon brain fog just stopped. Then the bloating eased. Then I realised my skin had been clearing.

Emily R. · Energy & Focus
Customer photo — Angie with thick wavy hair holding the NEKTR jar in her kitchen
Verified Buyer
"Less hair on the floor — and glowier skin."

Started for gut stuff and the bloating eased fast. The unexpected win? My hair stopped falling out around week 3. My skin's been glowier too — without changing anything else in my routine.

Angie K. · Hair & Skin
— Why colostrum / 002

ONE SCOOP.
FOUR SYSTEMS.

Colostrum is the first milk a cow produces after giving birth. Nature's most concentrated source of antibodies, growth factors, and immune compounds. We collect it within 24 hours. You feel it within two weeks.
01 / 04
GUT
MICROBIOME
IgG · IgA · Lactoferrin
Seals the gut lining. Reduces the bloating, heaviness, and post-meal dread.
02 / 04
IMMUNE
DEFENSE
Growth factors · PRPs
Strengthens your first line of defense against pathogens, from the inside out.
03 / 04
SKIN
HAIR · NAILS
EGF · TGF-β · IGF-1
Fuels collagen and keratin production. Calmer, clearer skin in 60 days.
04 / 04
FOCUS
+ ENERGY
Gut-brain axis · IGF-1
No afternoon crash. No brain fog. Just steady energy through the day.
— What happens / 003

NUMBERS
YOU CAN FEEL.

Representative figures from customer self-report surveys and published colostrum research.*
92%
GUT
Less bloating + discomfort
Smoother digestion and lighter meals in the first two weeks.
84%
SKIN
Brighter, calmer skin
More even tone and less reactivity by day 60 of daily use.
78%
ENERGY
Steady all-day energy
No more afternoon crash. Clearer focus through the day.
67%
HAIR
Less shedding, stronger hair
Noticeably less hair in the shower drain by week 8 for most users.
* Individual results vary. These statements have not been evaluated by the FDA.
— Head to head / 004

WHY CHOOSE
NEKTR.

Benefit
NEKTR Grass-Fed Colostrum jar
NEKTR
Other Brands
Golden NEKTR powder vs pale white competitor powder
LEFT · OVER-PROCESSED · RIGHT · NEKTR
THE YELLOW TEST

COLOR
= POTENCY.

Yellow is the natural color of fresh, whole colostrum — rich with fat-soluble beta-carotene. Pale white means it's been skimmed, stripped or bleached. We don't skim or strip. Open the jar — you'll see the difference.

GOLD
Whole · Natural
WHITE
Stripped · Processed
— Inside the jar / 005

WHOLE-SPECTRUM.
FIRST-DAY MILKING.

Full composition · Tap a row for detail
IgG Antibodies
Immune defense at the gut wall
Large protein antibodies that bind to pathogens in the gut lumen — neutralizing them before they cross the barrier. First line of defense against bacterial overgrowth and viral exposure.
GutImmune
Lactoferrin
Iron-binding, antimicrobial, antioxidant
A glycoprotein that binds free iron — starving bacteria that need it to grow, while supporting iron transport for your own cells. Doubles as an antioxidant and immune modulator.
ImmuneGutSkin
IGF-1
Cell and follicle regeneration
Insulin-like Growth Factor 1. Signals cell growth and repair in tissues that turn over quickly — hair follicles, skin, and the epithelial cells lining your gut.
HairSkinGut
EGF + TGF-β Growth Factors
Tissue repair, immune modulation
EGF (Epidermal Growth Factor) drives skin and mucosal healing. TGF-β (Transforming Growth Factor Beta) regulates inflammation and immune balance. They work as a pair to calm flare-ups and seal the gut lining.
SkinGutImmune
Proline-Rich Polypeptides
Immune signaling
Small protein fragments that work as a dimmer switch on the immune system — dialing it up when you need defense, dialing it down when it's overreacting.
ImmuneBrain
Oligosaccharide Prebiotics
Feed beneficial bacteria
Short-chain carbs that pass through your small intestine undigested, then feed the good bacteria in your colon. What those bacteria produce (short-chain fatty acids) is what actually nourishes your gut lining.
Gut
Beta-Carotene
Whole-spectrum
Why NEKTR is golden
The fat-soluble precursor to Vitamin A. Only present because we don't strip the fat. Its golden pigment is a visible marker of whole, unprocessed colostrum — and a powerful antioxidant in its own right.
SkinImmuneVision
Per 1 scoop
(3 g)
100% grass-fed bovine colostrum. Cold-processed. First-day milking. No fillers, flow agents, maltodextrin, or sweeteners. Detailed Supplement Facts available on the jar label.
NEKTR grass-fed colostrum powder in scoop — first-day milking, naturally golden
200+
Bioactives
<24H
First-day milking
3g
Per scoop
0
Fillers added
Why the first-day milking matters
Bioactive potency peaks within the first 24 hours after calving, then drops fast. NEKTR is collected during the peak window — nothing else makes it to your jar.
100%
Day 1
~50%
Day 2
~30%
Day 3
<15%
Regular Milk
— The Standard NO SKIMMING.
NO STRIPPING.
NO FILLERS.
U.S.
Grass-fed cows
CALF
Fed first
LIGHT
Labs tested
GMP
FDA-registered
ZERO
Fillers added
— Questions / 006

THE ANSWERS.

Bovine colostrum is the first milk a cow produces within 48–72 hours after giving birth — sometimes called "first milk" or "nature's first food." It's dense with immunoglobulins, growth factors, lactoferrin and peptides that work with your body's native ecosystem to strengthen immunity, protect the gut, support skin and hair, aid muscle recovery, and support brain health.
Bioactive potency peaks in the first 24 hours after a cow gives birth — after that, the IgG antibodies and growth-factor concentration drops fast. We collect during that narrow window (after the calf feeds first), which means you're getting colostrum at its highest natural potency.
Yellow is the natural color of fresh, whole colostrum — a sign it hasn't been over-processed. Most colostrum on the market is white, meaning it's been stripped of essential nutrients. Because our colostrum has no chemical processing agents to make it more dissolvable, it can tend to clump. That's the trade-off for purity. An electric frother or blender helps it mix — or shoot it back dry.
Hot liquids — no. Warm liquids — yes. Colostrum is heat-sensitive, so let your coffee cool down for a few minutes before mixing in the scoop. A frother or stir helps it dissolve.
Each 3g serving of NEKTR has less than 11% lactose — so many people who are sensitive to lactose find they can use it without issue. If you have a severe milk allergy or lactose intolerance, consult your healthcare provider before starting.
NEKTR is whole-spectrum colostrum — we don't skim, strip or over-process. Other brands remove fat or lactose to manipulate certain components; we preserve the natural composition for full effectiveness. First-day milking for peak bioactive potency. Calves-Fed-First sourcing from U.S. grass-fed cows. Tested by Light Labs. Made in a GMP-certified, FDA-registered U.S. facility.
Mix 1 scoop per day (3g) into your favorite drink, smoothie or recipe — or shoot it back dry. For best results, take it daily. Consistency is key.
Many customers share NEKTR with their pets. The antibodies, growth factors and nutrients support a pet's gut and immune system similarly to how they support yours. Start with a small amount. If your pet has food sensitivities or a milk allergy, consult your vet first.
Save 30% on your first order, then $63.99/mo with free shipping on every refill. Delivered every 30 days. Pause, skip or cancel in one click — no calls, no minimums.
We offer a full refund for your first time ordering each product if you're not fully satisfied. Just reach out to hello@getnektr.com within 30 days of purchasing and we'll take care of you.
— How it works / 007

YOUR GUT WALL
IS A FORTRESS.

Over time, this barrier weakens. That's where bloating, skin flares, fatigue, and brain fog often begin. Colostrum is the rare whole food that reinforces all four layers of the gut wall at once.

Side-by-side comparison of a healthy gut barrier versus a damaged one
Healthy wall (left) vs damaged wall (right). NEKTR reinforces all 4 layers.
  • 01Microbiome layer

    Prebiotic oligosaccharides (sialyl-lactose, fucosyl-lactose) feed Bifidobacteria. Lactoferrin binds iron to starve pathogens.

  • 02Mucus layer

    Growth factors (TGF-β, EGF) stimulate goblet cells to produce more mucus. Lactoferrin adds antimicrobial protection.

  • 03Epithelial cells

    Proline-rich peptides (PRPs) and IGF-1 reinforce the cellular seal between epithelial cells. Growth factors regenerate damaged cells.

  • 04Immune lining

    IgG antibodies neutralize pathogens. PRPs calibrate immune response — neither too aggressive nor too weak. 80% of immunity lives here.

NEKTR reinforces all 4 layers at once. Probiotics only feed the first.

01Microbiome off-balance
Bloating Gas Brain Fog Constipation
02Thin mucus layer
Heartburn Acid Reflux Stomach Discomfort
03Weakened gut barrier
Food Sensitivities Skin Flares Joint Stiffness Everyday Fatigue
04Weak immune lining
Frequent Colds Everyday Inflammation Low Energy Slower Recovery

Everyday discomfort traces back to one or more of these layers being out of balance.

— Every word, unfiltered / 008

READ WHAT
REAL CUSTOMERS SAY.

All 430 verified reviews below. Real photos. Real stories. Filter and sort to find what matters to you.

— One scoop. Every morning.

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60 DAYS.

Join 10,000+ customers who already have. Whole-spectrum colostrum, first-day milking, golden because nothing's stripped.

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