Dr. Gymbro
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#endurance

13 articles
A cyclist in profile, riding a sleek road bike along a quiet coastal road in warm golden-hour light, shot from a low side angle with a shallow depth of field. The rider wears a muted sage-green jersey, black bib shorts, a matte white helmet, and sunglasses. Their face shows calm, focused fatigue, with a faint sheen of sweat on the forearms. One hand is lifted slightly from the handlebars, holding a small, unbranded matte gel packet in soft cream and coral tones, just before opening it. The road curves gently behind them toward a hazy, softly blurred horizon of pale sea and distant hills, with long amber shadows stretching across the asphalt.

In the foreground, slightly out of focus, a few gel sachets and a bike bottle rest on a weathered stone wall at the left edge of the frame, adding editorial depth. Fine dust and sunlight glow in the air. The palette is warm and restrained: butter yellow, soft peach, sage, and slate blue, with gentle film-like grain. The composition leaves open negative space in the upper right, a pale gradient sky, for headline overlay. The overall look is a modern, minimalist sports-science magazine photograph: natural, premium, and clean, with realistic textures, cinematic but understated color grading, and no text, logos, or graphics.
nutrition

炭酸水素ナトリウムジェルを途中で摂取、3時間サイクリング後の12分TTで12 W増加

BY DR. GYMBRO ·

炭酸水素ナトリウムの最適な摂取タイミングはレース前ではなく、レース中かもしれません。11名の訓練されたサイクリストを対象に、炭酸水素ナトリウムと炭水化物を混ぜたジェルを3時間のライド中に摂取させたランダム化クロスオーバー試験が行われました。疲労状態での12分タイムトライアルでは、炭水化物単独に比べて12 Wのパワー増が確認され、胃腸症状の差は見られませんでした。スプリントや2分間の努力では有意な効果はなく、サンプル数が少ない点と製品がMNSTRY提供だった点に留意が必要です。

A sunlit outdoor running track in late afternoon, shot from a low angle with shallow depth of field. In the foreground, a matte black bottle with a minimal off-white label sits on the edge of a warm terracotta-colored track lane, beside a folded white towel and a small glass of amber liquid catching golden light. Condensation beads on the bottle. A faint heat shimmer rises from the track surface and softens the background.

In the midground, slightly out of focus, a lean athlete in a sage-green tank top and charcoal shorts runs on a treadmill-like stretch of track, a thin sheen of sweat on their shoulders, their expression focused and calm. Their motion is gently blurred, suggesting endurance and rhythm. Long soft shadows stretch across the lane lines.

The background fades into hazy peach, apricot, and pale yellow tones, with the suggestion of tall trees and a distant stadium wall. Warm sun flare enters from the upper right, creating a subtle glow and a few soft light streaks across the frame.

Subtle editorial touches: a small notebook with a pencil and a stopwatch rest beside the bottle, hinting at data and timing without any text legible. The color palette is warm and muted, with terracotta, cream, sage, and charcoal accents, and a fine film-like grain. The composition leaves open negative space on the left third for a headline overlay. The overall mood is clean, modern, and health-journal inspired, natural and aspirational, with a calm scientific curiosity rather than hype.
nutrition

暑さの中でケトン飲料は持久力を伸ばし、記憶を鋭くできるのか?

BY DR. GYMBRO ·

ケトン飲料は脂肪燃焼を狙うバイオハッカー向けとして知られてきましたが、最新の熱ストレス実験では、熱環境下での持久走においてもパフォーマンスを伸ばす可能性が示唆されています。34℃で90分間の負荷トレッドミルを行った後、トレーニング経験のある男性17名を対象に、ケトンモノエステル+カフェインは炭水化物+カフェインに比べ、疲労限界までの時間を8.9分(炭水化物は7.0分)に延長しました。作業記憶の1バック課題でも精度が向上しましたが、心拍数や体温に有意差は認められませんでした。2バックや反応時間、ヒット&アボイド課題では効果が見られず、サンプルが男性のみで少数、単回測定である点に留意が必要です。

A wide, editorial-style flat lay photographed from above on a pale warm-gray linen surface in soft natural window light. At the center, a small open amber glass jar tips gently onto its side, spilling a few cream-colored capsules across the fabric. Next to the jar sits a loose arrangement of fresh mushrooms: a cluster of golden-tan reishi with glossy, lacquered caps, a few slender white enoki stems, a halved shiitake showing its pale gills, and a curl of turkey tail with concentric bands of rust, cream, and charcoal. A small wooden scoop holds a pile of fine beige mushroom powder.

On the left third of the frame, a matte black sports watch with a minimal face lies beside a folded sage-green running shirt and a pair of lightweight off-white running shoes, hinting at athletic training without showing a person. A slim white notebook with a single pencil rests nearby, open to a blank page with a faint hand-drawn line graph trending upward, in thin graphite strokes.

On the right side, a pair of clear glass beakers and a single small petri dish with a soft amber-tinted liquid add a subtle laboratory note, kept calm and organic. A single sprig of dried herbs and a few scattered oat-colored grains add texture.

The palette is earthy and refined: oatmeal, soft sage, terracotta, warm amber, and charcoal accents against the muted neutral background. Shadows are soft and diffused, with a gentle highlight on the glass and the glossy reishi cap. The composition leaves generous negative space in the upper right for a headline overlay. Shallow depth of field blurs the edges slightly, while the central mushrooms and capsules stay crisp. The overall feel is modern, clean, and trendy, like a wellness and science magazine cover, with tactile natural textures, minimal styling, and a quiet sense of curiosity and skepticism.
science research

キノコカプセルでVO2maxが14.8%上昇――しかし大きな落とし穴がある

BY DR. GYMBRO ·

キノコのカプセルを40日間摂取し、VO2maxが14.8%上昇したという結果は夢のように聞こえます。『Antioxidants』に掲載された論文では、18〜22歳の男性アスリート50名が1日320 mgのベータグルカン豊富なマルチキノコ抽出物を摂取し、VO2maxが46.26 → 53.12 mL/kg/minへ上がったと報告されています。ただし、プラセボ群がなく、無作為化・二重盲検も行われていない点や、参加者が訓練を継続していたことなど、解釈に注意が必要です。

A wide, editorial-style still life shot from a slightly elevated angle on a pale oatmeal-colored linen surface in soft, diffused morning light. At the center, a shallow matte ceramic bowl in warm terracotta holds a small mound of fine, golden-tan ashwagandha root powder. Beside it lie a few gnarled, dried ashwagandha roots and a sprig of green leaves with tiny orange-red berries in their papery husks. To the left, a minimalist amber glass supplement bottle sits with a few capsules spilled beside it, label blank and clean. A wooden scoop rests on the surface, dusted with powder.

On the right side of the frame, a pair of sleek, muted sage-green running shoes sits slightly off-center. A folded cream towel and a stainless steel water bottle sit just behind them, with a single brushed-steel kettlebell partly out of focus in the background to hint at strength training without dominating the scene. The running shoes and the botanical elements share equal visual weight, suggesting the endurance theme.

A thin, curved line of scattered powder sweeps across the linen from the bowl toward the shoes, like a gentle path or track. Soft shadows fall to the left, and a warm sunbeam crosses the surface and picks out the texture of the powder and the roots.

The palette is restrained and modern: warm terracotta, sage green, cream, soft gold, and touches of charcoal. The background is a blurred pale plaster wall with a hint of a window shadow. Shallow depth of field, crisp focus on the bowl and roots, and generous negative space in the upper left for a headline. Contemporary wellness magazine aesthetic, calm, natural, tactile, high-end lifestyle photography, no text, no people, no futuristic elements.
science research

アシュワガンダの驚き:持久力が筋力よりも向上

BY DR. GYMBRO ·

アシュワガンダは筋力・筋肉増強サプリとして広く宣伝されていますが、最新のメタ分析では有酸素持久力の向上効果が最も一貫していることが示されました。13件のランダム化比較試験(計599名)を統合した結果、全体の効果量は Hedges' g = 0.54 と中程度の効果が認められました。筋力の向上も示唆されましたが、確実性は低く、パワーに関するデータはほぼありません。1日あたり 500〜600 mg の抽出物が最適とされますが、予測区間が0を跨ぐなど注意すべき点もあります。

Wide landscape editorial photograph of a mountain biker mid-ride on a dusty red-orange singletrack trail in the South African Western Cape, golden hour light raking across the scene. The rider is in sharp focus on the right third of the frame, wearing a weathered cycling kit with a race number plate on the handlebars, dust kicking up from the rear tire. Behind them, rolling hills covered in fynbos shrubland and silhouetted protea plants fade into soft, hazy blue mountains. Warm amber sunlight creates long shadows and a soft rim light around the rider and bike.

In the lower left foreground, slightly out of focus, a small minimalist glass vial and a clear water bottle sit on a flat sun-bleached rock, with a few drops of liquid catching the light. Next to them, a simple matte paper notecard and a pencil suggest data collection, with no legible text. The vial and bottle are clean, understated, and modern, with no branding.

The color palette is earthy and refined: terracotta, ochre, sage green, dusty teal sky, and cream highlights. The composition uses shallow depth of field, a generous negative space in the upper left sky for headline overlay, and subtle film grain. The mood is contemplative, skeptical, and quietly sophisticated, like a feature photograph from a high-end outdoor sports and science magazine. Natural, candid, cinematic, shot on a 50mm lens with soft contrast and muted saturation. No futuristic elements, no glowing effects, no molecular graphics, no text.
science research

ケトンIQはケープエピックで血中ケトン体を上げたが、その他に効果はなかった

BY DR. GYMBRO ·

8日間にわたる南アフリカの過酷なシングルトラックを走り、選手は1日2回プレミアムケトン飲料を摂取したが、血中ケトン体は約1 mMに上がったものの、疲労感や心拍数、反応速度、回復状況はプラセボ群と同じだった。研究はR‑1,3‑ブタンジオール(BDO)を実際のレース環境でテストし、血中ケトン体の上昇が効果につながらないことを示した。著者らは、BDOはケトンエステルとは別物であり、両者を混同すべきでないと指摘している。参加者がわずか18名という小規模な調査である点は留意が必要だが、高価なケトンドリンクを回復目的で検討している人にとっては重要なデータとなるだろう。

A cyclist in mid-ride, photographed from a low three-quarter side angle on a quiet country road at golden hour, wearing a matte navy jersey and a white helmet, with soft warm light catching the sweat on his forearms. His expression is calm and focused. The road bends gently through rolling green fields, and the background is softly blurred with creamy bokeh.

In the foreground on the left, a styled flat-lay-inspired still life sits on a weathered wooden surface and blends into the scene. It includes two clear water bottles with pale citrus-tinted liquid, a few torn energy gel packets in muted coral and sage, and a small pile of dried apricots and sliced banana. A handful of glossy orange slices adds a bright accent. The shallow depth of field keeps the cyclist sharp in the middle distance while the foreground items are gently softened.

The color palette is warm and editorial: soft peach, muted terracotta, sage green, cream, and deep navy. The light is natural and golden, with long, gentle shadows and a slight film-grain texture, like a high-end lifestyle or sports-science magazine spread. The composition follows the rule of thirds, with the cyclist on the right third and open negative space in the upper left, suitable for headline overlay.

The mood is energetic yet thoughtful, clean and modern, and the photograph feels authentic rather than staged. There are no logos, no readable text, and no futuristic or sci-fi elements. The overall look is crisp, airy, and refined, in the style of a contemporary health and performance journal cover.
nutrition

1時間あたり100 gの炭水化物でサイクリストは速くなった――グリコーゲンは関与しなかった

BY COACH RYAN ·

ハードなライドから4時間経過後、1時間あたり100 gの炭水化物を補給したサイクリストは、60 gだけ摂取した人に比べてパワーダウンが小さく抑えられた。驚くべきは、両群の筋肉グリコーゲン量がほぼ同等だったことだ。15名の訓練された男性選手を対象にした無作為・二重盲検クロスオーバー試験は、グリコーゲン以外の要因がパフォーマンス向上に寄与した可能性を示唆している。本稿では実験結果と1 : 0.8のブドウ糖‑果糖プロトコル、実践への応用方法を解説し、対象外となるケースやサンプルが男性のみで小規模だったことの意味合いも検討する。

A landscape editorial photograph of a lone runner's hands resting on a weathered wooden table beside a small white ceramic dish of fine white powder and a clear glass of water, shot in soft morning light. A slim matte aluminum energy drink can, unbranded with a minimalist pale sage-green label, stands slightly out of focus in the background, with a single scoop of powder dusted lightly on the tabletop. A pair of worn running shoes and a folded gray towel sit at the edge of the frame. Through a large window behind them, a blurred misty trail winds through green trees at sunrise, with warm golden light spilling across the scene.

The color palette is calm and modern: creamy off-white, sage green, warm honey gold, and soft charcoal. The composition follows the rule of thirds, with the dish and glass in the lower left third and generous negative space on the right for a title overlay. The depth of field is shallow, with a crisp focus on the powder's delicate texture and tiny glints of light on the glass rim. The mood is clean, thoughtful, and quietly energetic, like a contemporary health and science magazine feature. Natural grain, subtle film-like softness, and gentle shadows give it an authentic lifestyle-editorial look. There are no text, logos, or futuristic elements, only tactile, real-world materials like wood, ceramic, glass, cotton, and metal.
nutrition

エナジードリンクに含まれる成分が単独で持久力を高める可能性

BY DR. GYMBRO ·

カフェインの効果はよく知られていますが、エナジードリンクの缶に入っているもう一つの成分が、単独でも持久力を向上させるかもしれません。2018年のメタ分析(10件の研究)では、タウリン単独摂取で持久力が改善され、1回の投与だけで十分であることが示されています。投与量(1〜6 g)や摂取期間の違いは効果に大きな影響を与えませんでした。ただし、エビデンスはまだ限られており、信頼区間も広いため、期待できるシグナルとして捉えるべきです。

A wide, landscape editorial photograph with soft natural morning light. In the foreground, a rustic matte ceramic bowl rests on a pale oak wooden table, filled with vivid deep-green spirulina powder heaped in a gentle mound. A small wooden spoon dusted with the powder lies beside it, and a few scattered green flecks dust the surface. Next to the bowl sits a clear glass of water with a swirl of emerald green just blending in, catching sunlight and casting soft green-tinted shadows.

In the middle ground, slightly out of focus, a pair of worn running shoes in muted sage and cream tones sits on the edge of the table, laces loosely undone. A simple analog stopwatch with a clean white face lies beside them, its hands frozen at a moment suggesting a close finish. A folded linen towel in warm oatmeal tone drapes casually nearby.

The background is a softly blurred outdoor setting seen through a large window: a quiet tree-lined running path at dawn, with golden-hazy light, dewy greenery, and a faint mist. The color palette is calm and modern: deep emerald, sage, cream, warm wood, and touches of soft gold. The composition leaves generous negative space on the right side for headline text, with a shallow depth of field, crisp detail on the powder texture, and a clean, minimalist, lifestyle-magazine aesthetic. Subtle film-like grain, natural shadows, and a fresh, healthy, energetic mood. No people, no text, no logos.
nutrition

スピルリナでランナーは32%長く走れる―ただし落とし穴も

BY DR. GYMBRO ·

スピルリナを4週間摂取したランナーは、過酷な2時間ランの後の全力走で約32%長く走り続けられました。研究では脂肪酸酸化が10.9%増加し、抗酸化物質グルタチオンのレベルも上昇しました。しかし、参加者はたった9名の男性だけで、実際の効果は約39秒に過ぎません。この記事では研究結果の概要と、なぜ効果が期待できるのか、そして安全に試す方法を解説します。

A landscape editorial photograph in soft natural morning light. In the foreground on a rustic light oak table, a small cluster of fresh Rhodiola rosea plants with thick succulent blue-green leaves and tiny golden-yellow flower clusters rests beside a few dried, knobby amber-brown rhizome pieces. A matte ceramic cup of pale golden herbal tea sits beside them, with a thin curl of steam and a small linen cloth. The plants and roots are sharp, with fine texture and dewy highlights.

In the softly blurred background, a lean cyclist in a fitted charcoal jersey stands beside a road bike on a quiet country lane at sunrise. Rolling green hills fade into pale mist behind them, and warm light rims the rider's shoulders. The cyclist tightens a glove, calm and focused, in a pre-ride moment of preparation. A water bottle is mounted on the bike frame, and a simple analog stopwatch with a brushed metal casing lies on the table near the herbs, hinting at timed effort.

The palette is muted and modern: sage green, warm cream, soft gold, and slate gray, with gentle peach tones from the sunrise. Shallow depth of field, a clean, airy composition with generous negative space on the right third for headline text, and subtle film grain. The mood is calm, health-conscious, and quietly athletic, like a premium wellness and sports science magazine cover. No text, no logos, no futuristic elements.
science research

ロディオラ・ロゼア:ハードな有酸素運動を楽にするカフェイン不要プレワークアウトとは

BY DR. GYMBRO ·

2013 年に行われたクロスオーバー試験で、体重 1 kg 当たり 3 mg のロディオラ・ロゼアを運動の 1 時間前に摂取すると、6 マイル(約 9.6 km)のサイクリング・タイムトライアルの完走時間が 25.8 分から 25.4 分へ短縮された。ウォームアップ時の心拍数は 140 bpm から 136 bpm に低下し、主観的運動強度(RPE)も 6.6 から 6.0 に下がった。効果は約 1.5 % と小さく、対象はたった 18 名なので「奇跡的なサプリ」とは言えないが、努力感の軽減という点でカフェインを避けたい持久系アスリートにとっては興味深い選択肢になるだろう。

A wide, editorial-style flat lay photographed from above on a pale, warm-gray stone surface lit by soft natural window light. On the left, a matte white supplement sachet and a small frosted glass jar of off-white probiotic powder sit beside a wooden scoop dusted with fine granules. In the center, a modern minimalist stopwatch with a brushed silver case and crisp white face rests on a folded slate-blue running towel, its hands frozen just past the half-minute mark. On the right, a pair of sleek running shoes in cream and sage green are angled diagonally, with a few strands of laces trailing across the surface. Scattered around the arrangement are fresh, natural gut-health cues: a halved kefir-colored ceramic bowl of creamy yogurt with a drizzle of honey, a few sprigs of fresh mint, sliced green apple, and a handful of raw oats. A small glass of water with delicate condensation catches a soft highlight in the background. The color palette is calm and refined: sage green, cream, soft slate blue, and touches of warm honey gold against the neutral stone. Shadows are long and gentle, creating depth and a quiet, premium wellness-journal mood. The shallow depth of field softly blurs the edges, leaving the stopwatch and probiotic jar in crisp focus. Negative space on the upper right of the composition leaves room for a headline overlay. The overall feel is clean, modern, and trendy, like a contemporary health and sports science magazine cover, with realistic textures, natural tones, and no futuristic or digital elements.
nutrition

SLAB51 プロバイオティック:エリート選手が1週間で持久時間を33秒伸長

BY DR. GYMBRO ·

マルチ株プロバイオティックSLAB51を1週間摂取したエリート選手は、プラセボ時と比べてトレッドミルテストで約33秒長く走り続けました。単回投与では効果は認められず、VO2maxにも変化は見られませんでした。運動前の抗酸化酵素SOD活性が上昇したことも報告されています。本稿では研究デザインや数値を解説し、サンプル数の少なさや対象が限定的である点についても触れます。

A wide, editorial-style flat lay on a warm, matte cream stone surface, shot from slightly above in soft natural morning light. On the left, a ceramic espresso cup in muted terracotta holds dark coffee, with a few roasted coffee beans scattered beside it. In the center, a small wooden board holds three bright red chili peppers, one sliced open to show pale seeds, next to a small pile of coarse red pepper flakes. On the right, a pair of minimalist off-white running shoes with sage green accents rests at an angle, and a slim stopwatch with a clean white face lies in front of them. Three small matte white capsules sit in a neat row at the center of the composition, a quiet nod to the placebo and the active doses. Soft shadows fall to the lower right. A sprig of dried eucalyptus and a folded linen cloth in oatmeal tones add texture at the edges. The palette is warm and restrained: terracotta, chili red, cream, sage, and charcoal brown, with a gentle pop of red as the focal accent. The depth of field is shallow, so the foreground beans are slightly soft and the chilies and capsules stay crisp. The mood is clean, modern, and magazine-like, in the style of a contemporary health and science journal. There is no text, no people, and no logos, and plenty of negative space on the upper left and right edges leaves room for a headline overlay.
nutrition

カフェイン+カプサイシンは10kmでプラセボに勝利、カプサイシン単体は効果なし

BY COACH RYAN ·

チリペッパーに含まれるカプサイシンとカフェインの組み合わせだけが、10kmのクロスオーバー試験でプラセボを上回った。一方、カプサイシン単体では効果は見られなかった。統計的に見える効果はカフェインが主導しており、相乗効果は示されていない。投与量6 mg/kgは体重75 kgのランナーで約450 mgに相当し、かなりの量になる。カフェイン摂取に伴い、不眠・不安・頭痛・心拍数上昇が頻繁に報告された。以下は20名のランナーを対象とした研究結果と、摂取を控えるべき人のまとめです。

A cyclist's legs mid-pedal on a stationary road bike, shot in a bright, airy, minimalist studio with a soft warm-grey backdrop. In the foreground on a pale oak table sits a small ceramic dish holding four deep coral-red softgel capsules, with a few translucent droplets of red-orange oil glistening beside them. Beside the dish is a sprig of dried red microalgae-toned seaweed and a halved wild salmon fillet, its coral flesh echoing the capsule color. Behind the table, slightly out of focus, a cyclist in a fitted charcoal jersey and matte black shorts rides a bike on an indoor trainer. Only the torso and legs are visible, with no face. A white towel hangs over the handlebars and a clear water bottle catches the light.

Soft diffused morning light streams from a large window on the left, creating long gentle shadows and a subtle golden-hour glow on the skin and the glossy capsules. The palette is restrained and editorial: warm cream, sand, soft grey and charcoal, with vivid coral-red as the single accent color. A minimalist analog stopwatch with a clean white face sits on the table, its hands near the 85-minute mark. A thin, elegant line-graph shape is subtly suggested by a curved strip of red ribbon lying on the table, rising from left to right to hint at the performance gain without any text.

The composition follows the rule of thirds, with the capsules and stopwatch in the lower left and the cyclist's motion-blurred legs sweeping across the right. Shallow depth of field, crisp macro detail on the capsules, and a fine film-like grain. The overall feel is a modern health and science magazine cover: clean, calm, sophisticated, and natural, with negative space in the upper area for a headline. There are no futuristic elements, no glowing effects, no laboratory equipment, and no text or logos. Landscape 16:9 format.
nutrition

4日間のアスタキサンチン投与でサイクリングの疲労限界時間が72分から85分に伸長―小規模試験の結果

BY DR. GYMBRO ·

28 mg/日を4日間摂取したところ、サイクリングの疲労限界時間が約72分から85分へと約18%伸びました。同じプロトコルでは、激しい75%VO2maxのライド後に筋肉損傷マーカー(CK・LDH)と脂質過酸化(MDA)の上昇が抑えられました。炎症マーカーやエネルギー利用は変化せず、メカニズムはまだ不明です。投与量は市販のソフトジェルが提供する量を上回っており、対象は10名の若年男性だけでした。以下に数値の詳細とエビデンスの限界を示します。

A wide, editorial still life photographed in soft natural window light on a pale oatmeal-colored linen surface. At the center sits a small, rustic ceramic dish holding a handful of dried golden-orange Rhodiola rosea root pieces and a few fresh, fleshy green-gray succulent rosettes with rosy-pink tips. Beside it, a single matte amber glass capsule bottle lies on its side, with two cream-colored capsules spilling out. On the left, a minimalist analog stopwatch with a brushed brass case rests slightly out of focus, its hands suggesting a duration just past the quarter-hour mark. On the right, a worn, chalk-dusted steel kettlebell handle and a folded charcoal gym towel fill the negative space, hinting at lifting without showing a full gym scene.

In the foreground, a neat row of seven tiny ceramic pill cups arranged in a gentle diagonal line, the first cup holding one capsule and the rest sitting empty, as a quiet visual metaphor for a single dose versus daily dosing. A sprig of dried alpine moss and a few small speckled pebbles add organic texture. The background is a softly blurred warm-gray plaster wall with a gentle gradient shadow cast by a window frame, creating diagonal light stripes across the scene.

The palette is muted and earthy: sage green, terracotta, warm cream, brushed brass, and soft charcoal, with one subtle pop of coral from the Rhodiola tips. Shallow depth of field, crisp focus on the root and capsules, and fine film-like grain. The composition leaves generous clean negative space in the upper left for a headline overlay. The overall feel is a modern wellness and science journal: calm, tactile, minimal, and sophisticated, with a slightly moody, high-end magazine look. There is no text, no people, and no futuristic elements.
nutrition

200 mgのロディオラで持久力が24秒改善、4週間の毎日摂取では何も変わらず

BY DR. GYMBRO ·

運動1時間前に200 mgのロディオラ・ロゼアを単回投与すると、限界までの時間が16.8分から17.2分へと約24秒伸び、二重盲検クロスオーバー試験でVO₂peakも上昇した。ところが、4週間にわたる毎日摂取ではその効果は蓄積されず、測定された変数に変化は見られなかった。向上はほんのわずかで、筋力・反応時間・注意力にも影響はなかった。この記事では実際の結果と、急性投与が適している可能性のある人、そして「ロディオラを継続的に使う」べきでない理由を解説する。

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